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slavikrds [6]
4 years ago
7

Math question down below

Mathematics
1 answer:
d1i1m1o1n [39]4 years ago
4 0
First answer 3l - 5 is how to represent his age
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Solve each equation 7:x=2:3
Olenka [21]

7 : x = 2 : 3

- divide 7 by 2.

7/2 = 3.5

- this is the scale factor.

- now multiply this by 3.

3 X 3.5 = 10.5

so, x = 10.5

6 0
3 years ago
What is the value of f ( − 3a ), if f ( x ) = 2x 2 + 4x ?
gogolik [260]

Answer:

d. 18a² - 12a

Step-by-step explanation:

f(x) = 2x² + 4x

f(-3a) = 2(-3a)² + 4(-3a)

2(-3a)² + 4(-3a)

2(9a²) + (-12a)

18a² - 12a

8 0
4 years ago
Sophia uses 18 beads to make a necklace. One sixth of the beads are purple. How many beads are purple?
meriva
3 of the beads are purple.
4 0
3 years ago
Read 2 more answers
Which of the following statements must be true about this diagram? Check
SSSSS [86.1K]

Answer:

f

Step-by-step explanation:

I'm pretty sure it's f from what I know

4 0
3 years ago
Which equation can be used to solve for a? A.) tan50=a/3 B.) cos50=3/a C.) sin 50=a/3 D.) tan50=3/a
LUCKY_DIMON [66]

Answer:

D. tan50° = 3/a

Step-by-step explanation:

We use tangent (tan∅) to find <em>a</em>. Remember tan is opposite over adjacent.

6 0
3 years ago
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