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Question 1(Multiple Choice Worth 1 points)
(08.04 MC)

The graph of the function C(x) = −0.34x2 + 12x + 62 is shown. The function models the production cost, C, in thousands of dollars for a tire company to manufacture a tire, where x is the number of tires produced, in thousands:

graph of a parabola opening down passing through points negative 4 and 57 hundredths comma zero, zero comma 62, 1 and 12 hundredths comma 75, 17 and 65 hundredths comma 167 and 55 hundredths, 34 and 18 hundredths comma 75, and 39 and 87 hundredths comma zero

If the company wants to keep its production costs under $75,000, then which constraint is reasonable for the model?

−4.57 ≤ x ≤ 39.87
1.12 ≤ x ≤ 34.18
−4.57 ≤ x ≤ 1.12 and 34.18 ≤ x ≤ 39.87
0 ≤ x < 1.12 and 34.18 < x ≤ 39.87

Answer:

C

Step-by-step explanation:

The function has a variable that will make the graph curve up.

Answer:

d

Step-by-step explanation:

surface area of cylinder=2πr(r+h)

2*3.14*4(4+7)

25.12*11

276.3in²

Answer:

Step-by-step explanation:

2πrh+2πr^2 is the formula for finding the surface area of a cylinder.

Since the question said to use 3.14 for pi,

2 * 3.14 * 4* 7 + 2*3.14*16

= 175.84 + 100.48

= 276.32 in^2

So, the answer is d, 276.3 (rounded to 1 decimal place)

Answer: 2hrs?

Step-by-step explanation: 3-2=1+1 hour she took alone = 2hrs

Answer:

3 hours as Jane will take 1 hour before Gary and Gary will work for 2 hours. I think

θ

=

2

π

3

+

2

π

n

,

4

π

3

+

2

π

n

, for any integer

n

[tex]~~~\sec \theta = 2\\\\\implies (\cos \theta)^{-1} = 2\\\\\implies \cos \theta =\dfrac 12\\ \\\implies \theta = 2n\pi \pm \dfrac{\pi}3[/tex]

Answer:

-6

Step-by-step explanation:

We are given that -x-10y=2 is a true equation so by multiplication property of equality, we can multiply everything by -3 on both sides. This gives us 3x+10y=-6

Answer:

65569898

Step-by-step explanation:

1753x87694=66033582

66033582-463684=65569898

Answer:

18 hours

Step-by-step explanation:

Babysit: $5/hour

One time job: $10

Let x = number of hours.

5x + 10 ≥ 100

5x ≥ 90

x ≥ 18

Answer: 18 hours

Check the picture below.

Answer:

3/4

Step-by-step explanation:

Answer: diamond is 700 Earring is 400

Step-by-step explanation:

9D + 3G = 7500

5D + 8G = 6700

G =( 7500 - 9D) /3

Answer:

A)  2.1/6.3 = 8.7/X

Step-by-step explanation:

If two rectangles are similar, the ratio of the two shorter sides should equal the ratio of the two longer sides.

The two shorter sides are 2.1 cm and 6.3 cm

The two longer sides are 8.7 cm and X.

Therefore, as ratios:

2.1 : 6.3 = 8.7 : X

⇒ 2.1/6.3 = 8.7/X

Answer:

answer c Step-by-step explanation:

Answer:

your answer is 50

( ◜‿◝ )♡

hope this will help you!!

Answer:

Sally's string is 72 feet long.

Step-by-step explanation:

You just do 116-44= 72 feet!

Hope this helps!

Answer:

divide the area by 2 to get answer

Answer:

B. y = -x – 1

Step-by-step explanation:

calculate slope  =

y2-y1   =  -5- (-2)  =  -3

x2-x1   =   4 - 1     =   3

m (slope) = -3/3 =  -1

using points (1,-2) for calculating y-intercept:

y = mx + b

-2 = -1(1) + b

-2 = -1 + b

-1 = b

b = -1

answer is B   y=  -x - 1

Answer:

A

Step-by-step explanation:

A because the mean absolute deviation of an eighth grade class  is less than that of a seventh grade class. Also, the class size is larger on average for eighth graders (35>31).

The approximate value of q in the equation below is 0.584

Given the log expression as shown below;

q + log2(6) = 2q + 2

Collect the like terms

q - 2q = 2 - log(2)6
-q = 2 - log(2)6

-q = log(2)4 - log(2)6

-q = 2 -2.584

-q = -0.584

q = 0.584

Hence the approximate value of q in the equation below is 0.584

Learn more on logarithm here: https://brainly.com/question/237321

Let's plug in a = 9 and b = 14

[tex]a^3 + b^3 = (a+b)(a^2 - ab + b^2)\\\\9^3 + 14^3 = (9+14)(9^2 - 9*14 + 14^2)\\\\9^3 + 14^3 = (9+14)(81 -126 + 196)\\\\9^3 + 14^3 = (23)(151)\\\\9^3 + 14^3 = 3473\\\\[/tex]

It is possible to calculate the terms on the right hand side without a calculator. You can either memorize things, do mental math, or use pencil/paper to do the scratch work.

As a way to verify things,

[tex]9^3 = 9*9*9 = 729\\\\14^3 = 14*14*14 = 2744\\\\9^3+14^3 = 729+2744 = 3473\\\\\text{Therefore, } 9^3 + 14^3 = 3473 \text{ has been proven correct}\\\\[/tex]

Answer:

891.75 sq.ft is the area of the polygon

Step-by-step explanation:

9.2^2 + 10^2= 184.64

√184.64= 13.59 feet

area of regular octagon=A=2(1+√ 2)a^2

A= 2(1+√2)13.59^2

A=891.75 sq.ft(approx)

Answer:

you can stack them

Step-by-step explanation:

this a wierd question

Answers:

1: Option B: It is positve

2: Option B: -918 ÷ 34 = -27

3: Option B: False

( if the questions context is ONLY talking about dividing positives by a negative then its true, else if they are talking about ANY circumstance, even if negatives are divided by a negative then its false )

Step-by-step explanation:

For question 3:

When you divide a negative number by a positive number then the quotient is negative. When you divide a positive number by a negative number then the quotient is also negative. When you divide two negative numbers then the quotient is positive. The same rules hold true for multiplication.

Hope this helped :)

Answer:

Step-by-step explanation:

Remarks

The answer given is pretty close to being correct. The 8 is correct -- that is 2^3 power.

The problem is in the minus sign. Think of it as (-1)^3

(-1)^3 = -1 * -1 * -1.

There are 3 minuses there. 2 of them will make plus 1. The third one will change the result to - 1.

Answer: 8 should be -8

Answer:

Answer: k = - 20

Step-by-step explanation:

Solution

115 = -6k - 5              Add 5 to both sides

115+5 = - 6k - 5+5     Combine

120 = - 6k                   Divide by - 6

120/-6 = -6k/-6

-20 = k    

Answer: -20

Step-by-step explanation:115 = -6k-5

Add5 to both sides

120= -6k

Divide both sides by 6

20= -k

K = -20

Answer:

My guess is A

Step-by-step explanation:

-We see as C and B are both negitive

-D is on the zero Y line

-A is fully 2 postive numbers

A would be the largest of them all and greater than 0!

Answer:

5x4=20

20x2=40

Step-by-step explanation:

Answer:

4 * 5 * 2 + 3 - 2 - 1

Step-by-step explanation:

remember pemdas

4 * 5 * 2 + 3 - 2 - 1 = 40

Answer:

B. a rectangle

Step-by-step explanation:

A cross section is the new face you see when you slice through a 3D figure. So if you slice a rectangular pyramid parallel to the base, you get a smaller rectangle as the cross section. Similarly, if you slice parallel to a triangular base then your cross section will be a triangle.

Hope this helps and God bless!

Step-by-step explanation:

I think Its D because In the rectangular base its not equal sides like a square so it would be more be like sides that are not perpendicular.

hope it helps

Answer:

6.2 miles per hour

1 min = 60 seconds

3 min = 180 seconds

Answer:

the answer is 90%, 90% of 30 is 27