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Pepsi [2]
3 years ago
5

What is the highest common factor (HCF) of 9 and 15?

Mathematics
1 answer:
Iteru [2.4K]3 years ago
5 0

Answer:

3

Step-by-step explanation:

9's factor is 1, 3, 9.

and 15's factor is 1, 3, 5, 15.

so, the answer is 3.

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△ABC≅△DEF, BC=4x−12, and EF=−3x+16. Find x and EF.
kirill [66]

x = 4 and EF = 4 ⇒ 3rd answer

Step-by-step explanation:

If two triangles are congruent, then

1. Their corresponding sides are equal

2. Their corresponding angles are equal

3. Their areas and perimeters are equal

∵ △ ABC ≅ △ DEF

∴ AB ≅ DE

∴ BC ≅ EF

∴ AC ≅ DF

∵ BC = 4 x - 12

∵ EF = -3 x + 16

∵ BC = EF

∴ 4 x - 12 = -3 x + 16

Let us solve the equation to find x

∵ 4 x - 12 = -3 x + 16

- Add 3 x for both sides

∴ 7 x - 12 = 16

- Add 12 to both sides

∴ 7 x = 28

- Divide both sides by 7

∴ x = 4

Substitute the value of x in the expression of EF

∵ EF = -3 x + 16

∵ x = 4

∴ EF = -3(4) + 16 = -12 + 16

∴ EF = 4

x = 4 and EF = 4

Learn more:

You can learn more about congruence of Δs in brainly.com/question/3202836

#LearnwithBrainly

3 0
2 years ago
Define Short Circuit.
ycow [4]
<span>Short Circuit- in a device, an electrical circuit of lower resistance than that of a normal circuit, typically resulting from the unintended contact of components and consequent accidental diversion of the current</span>
5 0
3 years ago
Karana's mom bought her two items using a credit card. The first item cost $235, and the second item cost $369. Later, she retur
mamaluj [8]

Answer:

C. 604

Step-by-step explanation:

Karana returned the items so you are adding the money back to the credit card which would be 604.  369 + 235 = 604

8 0
3 years ago
What is 6-7x=4x+17 what is the answer
erica [24]

Answer:

x=-1 hi hope this helps

6 0
3 years ago
What is fifty two times one hundred?
Alja [10]

Answer:

5200

Step-by-step explanation:

52 *100=5200

4 0
3 years ago
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