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aivan3 [116]
3 years ago
10

Find h(-4 ) given h(x)=3x2 +2x -16​

Mathematics
1 answer:
liubo4ka [24]3 years ago
4 0

Answer:

2x-10

Step-by-step explanation:

3x2+2x-16

6+2x-16

2x-10

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A 4 pound bag of sugar contains 480 teaspoons and costs $3.60. A batch of muffins uses half a cup of sugar. (1 cup = 48 teaspoon
Marianna [84]

Answer:

batches- 20

cost of each batch- $0.18

Step-by-step explanation:

480/24 = 20

3.60/24 = 0.18

7 0
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How would I reduce this to lowest terms?
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\frac{a^2b^2}{ac}

\frac{ab^2}{c}

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Pls help<br><br> Given: △ABC, CM⊥ AB, BC = 5, AB = 7<br> CA = 4 sqrt(2)<br> Find: CM
babymother [125]

Answer:

The general plan is to find BM and from that CM. You need 2 equations to do that.

Step One

Set up the two equations.

(7 - BM)^2 + CM^2 = (4*sqrt(2) ) ^ 2 = 32

BM^2 + CM^2 = 5^2 = 25

Step Two

Subtract the two equations.

(7 - BM)^2 + CM^2  = 32

BM^2 + CM^2         = 25

(7 - BM)^2 - BM^2 = 7               (3)

Step three

Expand the left side of the new equation labeled (3)

49 - 14BM + BM^2 - BM^2 = 7    

Step 4

Simplify And Solve

49 - 14BM = 7              Subtract 49 from both sides.

-49 - 14BM = 7 - 49

- 14BM = - 42              Divide by - 14

BM = -42 / - 14

BM = 3

Step  Five

Find CM

CM^2 + BM^2 = 5^2

CM^2 + 3^2 = 5^2        Subtract 3^2 from both sides.

CM^2 = 25 - 9            

CM^2 = 16                     Take the square root of both sides.        

sqrt(CM^2) = sqrt(16)

CM = 4    < Answer

Step-by-step explanation:

6 0
3 years ago
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