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3 years ago

How do I answer this question

Mathematics

1 answer:

Natali [406]3 years ago

5 0

Step-by-step explanation:

Our answer has g on the outside and f on the inside, and we apply g to f, so we will have (1/x)-4. As we cannot divide by 0, the answer is that we cannot use f(0) here g(f(0)) here

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The ratio of girls to boys in Liza’s classroom is 5 to 4. How many girls are in her classroom if there is a total of 27 students

andrezito [222]

Answer:

$15\ girls$

Step-by-step explanation:

Let

x-----> the number of girls

y-----> the number of boys

we know that

$x+y=27$ -----> equation A

$\frac{x}{y}=\frac{5}{4}$

isolate the variable y

$y=\frac{4}{5}x$ -----> equation B

Substitute equation B in equation A

$x+\frac{4}{5}x=27$

$\frac{9}{5}x=27$

$x=5*27/9=15\ girls$

3 0

3 years ago

Read 2 more answers

For this exponential function,

kramer

Answer:

(1, 3 )

Step-by-step explanation:

Substitute x = 1 into the equation

y = $\frac{1}{2}$ × $6^{1}$ = $\frac{1}{2}$ × 6 = 3

(1, 3 ) ← with output value y = 3

8 0

3 years ago

ZA and ZB are complementary angles. Ifm A = (2.c +18) and m

Greeley [361]

Answer:

Step-by-step explanation:

The sum of complementary angles is 90°.

(2x+18) + (6x+8) = 90

8x+26 = 90

x = 8°

B = 6x+8° = 56°

3 0

3 years ago

What is the measure of angle 7?

goldenfox [79]

Answer:

measure of Angle 7 would also be (3y - 8), by the alternate exterior angles theorem

Hope this helps!

5 0

3 years ago

Find the area of the figure.

Hitman42 [59]

Answer:

Step-by-step explanation:

8x13=104-13=91 I have done this problem before on big ideas and it is either this or 87

5 0

4 years ago