what is (-3) X (5-7) - (39/3)

Answers

Answer 1

Answer:

-7

Step-by-step explanation:

(-3)×(5-7)-(39/3)

First solve the ones within the brackets

(-3)×(-2)-13

Then solve the multiplications and the divisions

6-13

= -7


Related Questions

A local gym conducted a survey to find the average number of hours per week people in the community spent exercising. Of the
300 people surveyed, 64% were men. Of all the people surveyed, 37% of people said they exercised 7 or more hours per week. Of all
the women surveyed, 75% said they spent less than 7 hours per week exercising.
Complete the two-way table to show the number of men or women in each category based on the given information.

Answers

Answer:

Men Women Total

Exercise less than 7 hours per week

Men:108

Women:81

Exercise 7 or more hours per week

Men:84

Women:27

Step-by-step explanation:

In the xy-plane, line k is parallel to the line with equation Y=7x+5. Which of the following could be an equation of line k??

Answers

Any equation that starts with y =7x

Parallel lines have the same gradient.

(No options to choose from)

Hope this helps!

Any Equation start with y = 7x + c is parallel to given equation.

What is Parallel lines?

To determine whether or not two lines are parallel, the formula for parallel lines is used. When we have the slopes of two lines that we want to compare, we can use the parallel line formula. The parallel lines' distances never change.

Given Equation

y = 7x + 5

and line k

line k is parallel  to equation y = 7x + 5

for parallel lines

The formula for determining whether two lines are parallel is as follows for any two lines with the equations y = m₁ x + c₁ and y = m₂x + c₂:

where m₁ and m₂ are the slopes of the two lines. m₁ = m₂.

given equation y = 7x + 5,

here m₁ = 7 and c₁ = 5

the line which is parallel to equation should be

y = 7x + c

where m₂ = m₁ = 7 and c₂ = c

Hence equation y = 7x +c is parallel to given equation.

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35-36 Use a graph to find approximate [tex]x[/tex] -coordinates of the points of intersection of the given curves. Then use your calculator to find (approximately) the volume of the solid obtained by rotating about the [tex]x[/tex] -axis the region bounded by these curves.
36. [tex]y=\sqrt[3]{2 x-x^{2}}, \quad y=x^{2} /\left(x^{2}+1\right)[/tex]

Answers

The approximate x-coordinates of the points of intersection of the given curves are 0 & 1.76, and the volume of the solid when rotated about the x-axis is 3.15 cubic units

Part A: The points of intersection

The equations are given as:

y = ∛2x - x²

y = x²/(x² + 1)

See attachment for the graph of the above curves (equation)

From the attached curve, we have the following points of intersection

(x,y) = (0,0) and (1.76,0.76)

Remove the y coordinates

x = 0 and 1.76

Hence, the approximate x-coordinates of the points of intersection of the given curves are 0 and 1.76

The volume of the solid when rotated about the x-axis

The volume of the solid is calculated using:

V = π(R² - r²)

Where R and r are the outer and the inner radii, respectively.

In this case;

R = ∛2x - x²

r = x²/(x² + 1)

Using a calculator, we have:

V = 3.15

Hence, the volume of the solid when rotated about the x-axis is 3.15 cubic units

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Given P(A) = 0.51, P(B) = 0.79, and P(A or B) = 0.66, are events A and B mutually exclusive?​

Answers

Answer: No, the events are not mutually exclusive

Work Shown:

P(A and B) = P(A) + P(B) - P(A or B)

P(A and B) = 0.51 + 0.79 - 0.66

P(A and B) = 0.64

Since the result is not zero, this means the events are not mutually exclusive.

Mutually exclusive events are ones that cannot happen at the same time. Example: getting a "2" and a "3" on the same roll of a number cube.

Solve using the quadratic formula. Round answers to the nearest hundredth.
6x^2-14x-9=0

Answers

Answer:

use the quadratic formula

Step-by-step explanation:

from the equation a=6 b=-14 c=-9

from the quadratic formula

[tex]x = ( - b {+ or - } \sqrt{ {b}^{2} + 4ac} ) \div 2a[/tex]

therefore insert in the values of a, b and c

[tex]x = ( - ( - 14) + or - \sqrt{ {( - 14)}^{2} + 4 \times 6 \times ( - 9)} ) \div 2 \times 6[/tex]

x=2.858148594

X=-0.52481526

after inserting

will mark brainliest

Answers

Answer:

The outcomes of his 40 experiments are listed in the table, according to him there were 13 times there were two tails. Now simply multiply that times three considering the amount of expirement was tripled.

13 times 3 = 39

Enter your answer in the box.
x=



Answers

Answer:

43º

Step-by-step explanation:

Angles in a straight line = 180º so:

180 - (90+47) = 43º.

Alternate angles are equal so the x is also 43º.

Deshaun drinks 0.25 L of milk every day. How much milk does he drink in 13 days?

Answers

Answer: 3.25 L

Step-by-step explanation:

0.25 x 13 days = 3.25

Giovanni left the house for 240 seconds. How many minutes was Giovanni gone?

Answers

Answer:

4 minutes

Step-by-step explanation:

There are 60 seconds in 1 min

240÷60=4


Find the slope-intercept equation


Please help me

Answers

Answer:

[tex]y = -\frac{1}{3}x + 5[/tex]

Step-by-step explanation:

To being, slope intercept form is the infamous y = mx + b form. In which, m is equal to the slope and b is equal to the y-intercept. (1) To solve this, begin by finding two points of the line. One easy point to find is when x = 0 as it intersects with the y-axis. Two points are: (0,5) and (-3,6). (2) Next, use the slope formula to solve for the slope. The slope formula is [tex]\frac{y2-y1}{x2-x1}[/tex]. Plug in the y and x values;  [tex]\frac{6-5}{-3-0}[/tex]. Simpliify the fraction; [tex]\frac{1}{-3}[/tex] --> [tex]-\frac{1}{3}[/tex]. Therefore -1/3 is our slope. (3) To solve for b, the y-intercept, set up the slope-intercept equation with the newfound slope (y = -1/3x + b) and plug in a point for the y and x values. Doing this will isolate the b so you can solve for it.

6 = -1/3(-3) + b

6 = 1 + b

-1    -1

5 = b

Therefore the y-intercept (b) is 5. (4) The final step is to combine the information into the slope-intercept form; y = -1/3x + 5. Good luck!

Hoy do you write 43% as a decimal

Answers

Answer:

0.43

Step-by-step explanation:

Just take out the % sign and divide it by 100.

For your example:

43%

Take out the percentage

43

Divide it by 100.

0.43

And there is your answer :)

Answer:

You should move the decimal 2 place

Step-by-step explanation:

43/100 = 0.43


A total of $5000 is invested: part at 7 % and the remainder at 15 %. How much is invested at each rate if
the annual interest is $480?

Answers



0.07 (5000-x) + 0.15x= 480
Solve for x
350-0.07x+0.15x=480
0.08x=130
X=1625 invested at 15%
(5000-1625)=3375 invested at 7%



Find the point-slope equation for the line that passes through the points (5, 35) and (-6, -31). Use the first point in your equation..​

Answers

Given ↓2 points that a line passes through

To Find ↓The point-slope equation for the line

Calculations ↓

First of all, we need to find the slope. In order to find the slope, we'll use the following formula :

[tex]\boxed{\\\begin{minipage}{2cm}slope \\ $\displaystyle\frac{y2-y1}{x2-x1}$\end{minipage}}[/tex]

[tex]\boxed{\\\begin{minipage}{2cm}$\displaystyle\frac{-31-35}{-6-5}$ \\ \end{minipage}}[/tex]

[tex]\boxed{\\\begin{minipage}{2cm}$\displaystyle\frac{-77}{-11} \\ \end{minipage}}[/tex]

Which simplifies to :

[tex]\text{Slope = 7 }[/tex]

Now that we know the slope, finding the point-slope equation is a piece of cake.

Remember Point-Slope :

[tex]\text{y - y1 = m(x-x1)}[/tex]

We're told to use the first point (5, 35) in our equation, so we'll do just that.

[tex]\LARGE\text{y - 35=7(x-5)}[/tex]

[tex]\mathsf{equation\:above}[/tex]

hope helpful ~

Problem 20 pls helps

Answers

Answer:

135

Step-by-step explanation:

[tex]d = 45t[/tex]

[tex]d(3) = 45( 3) = 45 \times 3 = 135[/tex]

[tex]d(3) = 135[/tex]

I HOPE IT HELPED YOU

Answer:

135

Step-by-step explanation:

sub 3 in place of t then times and it 135

Hey y’all no bots pls I need help with some 7th grade math

Answers

Answer:

The ratio for the triangle on the left is

9/12 which is .75

Just multiply 16 by .75 and the missing angle is 12

The fall of brainly 2019-2021
those spam bots took it over

Answers

Answer: Pop up ads show up

Step-by-step explanation: because of them


13-28 Sketch the region enclosed by the given curves and find its area.
25. [tex]y=x^{4}, \quad y=2-|x|[/tex]

Answers

Answer:

Area (A)  0.0682

Step-by-step explanation:

The sketch for the region enclosed by the given curves can be found in the image attached below.

From the image below;

The two curves intersect in the area of tan 9x = 2 sin 9x

Recall that:

making x the subject; then:

The subdivision of the domain is in two intervals

where;

Area (A) =

Area (A) = 0.06818

Area (A)  0.0682

determine the general solution​

Answers

Answer:

There is no question given here.

Which of the function rules below would result in the following graph? On a coordinate plane, a line goes through (2, 2) and (6, 4). a. y = 0.5 x + 1 c. y = 2 x + 1 b. y = 0.5 x minus 1 d. y = two-thirds x + 1 Please select the best answer from the choices provided A B C D

Answers

A)

m= (y2-y1)/(x2-x1)= 0.5
y=mx+b
At point (2,2)
2=0.5*2+b
=b=2
So, equation is
y=0.5x+1

In the picture below, line PQ is parallel to line RS, and the lines are cut by a transversal, line TU. The transversal is not
perpendicular to the parallel lines


Which of the following are supplementary interior angles?
OA. ZG and ZF
OB. ZE and ZF
OC. ZH and G
OD X and ZE

Answers

Answer: A

Step-by-step explanation:

A 15-foot ladder is leaning against a building, with the base of the ladder 5 feet from
the building. How high up on the building will the top of the ladder reach?

Answers

Answer:

10√2

Step-by-step explanation:

We can form a triangle with the clues in the question, and use the formula A²+B²=C²

Now, we plug in our values.

5²+B²=15²

25+B²=225

B²=200

B=√200

√200 =√2x2x2x5x5 = 10√2

Using the Pythagorean theorem it would be 5^2+b^2=15^2
25+b^2=225
b^2=200
Square root each sides so it would be
b= 10 root 2
b=14.14
So the building is 14.14 feet when the ladder touches it

If you divide me by 42, the
quotient is 56. What number
am I?

Answers

2352

hope it helps...!!!

Answer:

2352

Step-by-step explanation:

If you divide 2352 by 42, the quotient would be 56.

This can easily be solved knowing what inverse operations are.

42 * 56 = 2352

Therefore,

2352 / 42 = 56

More info can be found searching inverse operations.

2. A light fixture contains 6 light bulbs. With normal use, each bulb has a 0.85
chance of lasting for at least 4 months. What is the theoretical probability that
all 6 bulbs will last for 4 months? Round to the nearest whole percent.

Answers

Using the binomial distribution, it is found that there is a 0.38 = 38% theoretical probability that all 6 bulbs will last for 4 months.

What is the binomial distribution formula?

The formula is:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters are:

x is the number of successes.n is the number of trials.p is the probability of a success on a single trial.

In this problem, we have that:

There are 6 bulbs, hence n = 6.Each bulb has a 0.85 chance of lasting for at least 4 months, hence p = 0.85.

The probability that all 6 bulbs will last for 4 months is P(X = 6), hence:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]P(X = 6) = C_{6,6}.(0.85)^{6}.(0.15)^{0} \approx 0.38[/tex]

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11 4/5 divided by 3 1/5

A) 3
B) 3 1/2
C) 7/2
D) 4

Answers

Answer:

Step-by-step explanation:

The two given numbers both have the denominator 5,  Thus the quotient quickly reduces:

11 4/5 becomes 59/5 and 3 1/5 becomes 16/5.  Dividing the first expression by the second yields 59/16, which can't be reduced.

However, 59 = 48 + 11, so 59/16 = 48/16 + 11/16, which is approximately 3 1/2 (from either Answer B or Answer C).

The exact answer is 3 11/16; B and C are identical and are closer to 3 11/16 thn 3 or 4.

identify each type of tax describe. Tariff, Property, Payroll ,Income
• A tax on certain imported or exported goods. •A tax based on a percentage of an individual's income.
• A tax on wages to fund programs such as Social Security
•A tax based on the value of a home, land, or an office building​

Answers

Answer:

a tax on certain imported or exported goods is tariff

a tax based on a percentage of an individual's income is income

a tax on wages to fund programs such as Social Security is payroll

a tax based on the value of a home, land, or an office building is property

Step-by-step explanation:

What is the domain of f(x) = √x – 4 over the set of real numbers?​

Answers

Answer:

(2) x [tex]\geq \\[/tex] 4

Step-by-step explanation:

Given the sqrt(x),  x [tex]\geq \\[/tex] zero

So, given sqrt(x -4),  x -4 [tex]\geq \\[/tex] 0

Now solve for x

x - 4 [tex]\geq \\[/tex] 0

x [tex]\geq \\[/tex] 4

study the figures below and calculate its surface area by identifying first what is the value of its base and height or length and width?

Answers

Answer:

[tex]937.5 m x^{2} \\1369 cm x^{2} \\276mx^{2} \\17500mx^{2} \\270cmx^{2}[/tex]

Step-by-step explanation:

Soulution : Area of a triangle { Area Of A Triangle = 35m x 25m x 1/2 = [tex]437.5mx^{2}[/tex]  bottom x height x 1/2 }

Area of the squear ( [tex]37cmx^{2}[/tex] ) = [tex]1369cmx^{2}[/tex]  { Area of square = ( [tex]sidex^{2}[/tex]) }

Area of the rombus 1209 x 23m = [tex]276mx^{2}[/tex]

Area of the rectangle 175m x 100m = [tex]17500mx^{2}[/tex]

Area of the parallelogram 18cm x 15cm = [tex]270cmx^{2}[/tex]

Please help me tyy!!

Answers

Answer:

aight so monkey monkey is monkey so if u put monkey and monkey together u get happy baby monkey did i explain myself?????

Step-by-step explanation:

Please help me find the area of this irregular shape.

Answers

Answer:

23 Cm(2)

Step-by-step explanation:

Sincerest Apologies if it is incorrect

if it's not 23 it may be:

26 Cm(2)

Segment AB has endpoints at A(-7,2) and b(9,-6). Point P lies on AB such that AP:BP=3:1

Determine the coordinates of P

Answers

The coordinates of the point P which divides the line segment AB made by the points A(-7,2) and B(9,-6) is  (x,y) = (5,-4)

What is the coordinate of the point which divides a line segment in a specified ratio?

Suppose that there is a line segment [tex]\overline{AB}[/tex]such that a point P(x,y) lying on that line segment [tex]\overline{AB}[/tex] divides the line segment  [tex]\overline{AB}[/tex] in m:n, then, the coordinates of the point P is given by:

[tex](x,y) = \left( \dfrac{mx_2 + nx_1}{m+n} , \dfrac{my_2 + ny_1}{m+n} \right)[/tex]

where we have:

the coordinate of A is [tex](x_1, y_1)[/tex]and the coordinate of B is [tex](x_2, y_2)[/tex]

We're given that:

Coordinate of A is [tex](x_1, y_1)[/tex] = (-7,2)Coordinate of B is [tex](x_2, y_2)[/tex] = (9.-6)The point P lies on AB such that AP:BP=3:1 (so m = 3, and n = 1)

Let the coordinate of P be (x,y), then we get the values of x and y as:

[tex](x,y) = \left( \dfrac{mx_2 + nx_1}{m+n} , \dfrac{my_2 + ny_1}{m+n} \right)\\\\(x,y) = \left( \dfrac{3(9) + 1(-7)}{3+1} , \dfrac{3(-6) + 1(2)}{3+1} \right)\\\\(x,y) = \left( \dfrac{20}{4} , \dfrac{-16}{4} \right) = (5,-4)[/tex]

Thus, the coordinates of the point P which divides the line segment AB made by the points A(-7,2) and B(9,-6) is  (x,y) = (5,-4)

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