2 years ago

E

Mathematics

1 answer:

Brums [2.3K]2 years ago

5 0

Answer:

8 then 2 and reflection on y axes

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A flagpole and a model flag pole have a scale factor of 1 in.= 4 ft. If the model pole measures 12 inches, how tall is the actua

Karolina [17]

Answer:

$48\ \text{feet}$

Step-by-step explanation:

$1\ \text{inch}$ of the model is $4\ \text{feet}$ of the actual pole.

Here, the pole which is present in the model measures $12\ \text{inches}$ , so

$12\ \text{inches}$ of the model will be $(12\times 4)\ \text{feet}=48\ \text{feet}$

Hence, the actual pole will be $\boldsymbol{48\ \text{feet}}$ tall.

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3 years ago

7 apples coast 5$.how many apples can i buy with 8$

Iteru [2.4K]

7÷5=1.4 so then 1.4×8=11.2 so your answer is 11.2

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3 years ago

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Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two sides of this

OleMash [197]

Answer: 8 cm and 9 cm

Explanation: 8+9=17 and 17 is greater than 13. Remember, given a triangle, the sum of the lengths of any two sides must be greater in length than the third side.

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3 years ago

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How much charge is needed to repel another charge of 9.9 x 10^-6 N when they are 200m apart? Please help meee I really can't und

fenix001 [56]

Answer:

The charge needed will be $q=6.6\: \mu C$

Step-by-step explanation:

The equation of the electric force is given by:

$F=k\frac{qQ}{r^{2}}$

We have the force $F = 9.9 10^{-6}\: N$ and the distance r = 200. k is the Coulomb constant. Q and q are the charges.

We assume we have the same charge of the particles, so we have:

$q^{2}=\frac{Fr^{2}}{k}$

$q^{2}=\frac{9.9*10^{-6}200^{2}}{9*10^{9}}$

$q=6.6*10^{-6}\: C$

Therefore, the charge needed will be $q=6.6\: \mu C$

I hope it helps you!

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3 years ago

4(3x-5) + 7x<br><br>please help me

Alenkinab [10]

Answer:

19x-20

Step-by-step explanation:

distribute the 4

4(3x-5) + 7x

12x-20 + 7x

combine like terms

19x-20

8 0

3 years ago