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Lilit [14]
3 years ago
9

From 5x^2-6x+8, subtract 3x^2-2x-4?

Mathematics
1 answer:
victus00 [196]3 years ago
8 0
(5x^2-6x+8)-(3x^2-2x-4)=\\5x^2-6x+8-3x^2+2x+4=2x^2-4x+12
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2 Cereal comes in two different-sized boxes.
frosja888 [35]

Answer:

Step-by-step explanation:

Box A is 0.021 dollars per gram

Box B is 0.012 dollars per gram

Box B is cheaper per gram by 0.009 dollars

6 0
3 years ago
Using a savings amount of $450, assume you deposited the total amount
ankoles [38]

Answer:

<h2> 7.3%</h2>

Step-by-step explanation:

Using the formula for calculating the simple interest to get the rate of return;

Simple Interest = Principal * Rate * Time/100

Given Principal = $450,

Time (in years) = 1 year

Simple interest = $32.75

Rate (in %) =?

Substituting the given values in the given formula to get the rate;

32.75 = 450*1*R/100

450R = 3275

R = 3,275/450

R = 7.3%

The rate of return is  7.3%

4 0
3 years ago
A triangle has the coordinates
fiasKO [112]

Answer:

coordinates of its image

A' = ( -4, -1)

B' =( -3, -3)

C' = ( 0, 2)

Step-by-step explanation:

Reflect in y-axis means mirror it's points in the y -axis.

This means that the x coordinate of each point, changes only. Any mirrored point in the y-axis, will change only, by multiplying the x-coordinate by -1.

(Remember, zero multiplied by -1 remains 0).

Given are these points A, B, and C.

A = (4, -1)

B = (3,-3)

C = (0, 2)

After mirroring in the y- axis you get:

A' = ( -4, -1)

B' =( -3, -3)

C' = ( 0, 2)

8 0
2 years ago
Simplify <br> A. a to the power of 4 B. 8 <br> C. 10 <br> D. a to the power of 21
Eddi Din [679]
Wait, could you please restate what I'm supposed to answer xD Thank you
3 0
3 years ago
Read 2 more answers
For a snack, sander ate a plum with 32 calories and several strawberries with 4 calories each. If the total number of calories i
muminat

Answer:

6 strawberries

You subtract 32 from 56, which gives you 24. Then, if one strawberry is 4 calories, you can eat 6 of them to gain 24 calories.

32 + 24 = 56 ... So one plum (32) and six strawberries (4+4+4+4+4+4) gives you 56 calories, which is the total. That's how you can check your work.

Answer: 6

4 0
3 years ago
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