3 years ago

Please help on number 3

Mathematics

1 answer:

Sedbober [7]3 years ago

6 0

Answer:

Step-by-step explanation:

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I need to know The value of f(1/2)

Lostsunrise [7]

$\huge\boxed{\textsf{a.)}\ 10}$

Substitute $\frac{1}{2}$ for $x$ .

$f\left(\frac{1}{2}\right)=5\cdot4^\frac{1}{2}$

Use $a^\frac{m}{n}=\sqrt[n]{a^m}$ .

$\begin{aligned}f\left(\frac{1}{2}\right)&=5\cdot\sqrt[2]{4^1}\\&=5\cdot\sqrt[2]{4}\\&=5\cdot2\\&=\boxed{10}\end{aligned}$

7 0

1 year ago

A number y decreased by 9 is 8 An equation that represents this sentence

Masja [62]

Answer:

Y-9=8

Step-by-step explanation:

Y is decreased by 9 in just say 9 is subtracted by y

8 0

3 years ago

For every 1 girl in Mr Hegarty's class there are 4 boys. What is the ratio of boys to girls in the class? Give your answer in it

MakcuM [25]

Answer:

4:!

Step-by-step explanation:

4:1 because their are 4 boys for every 1 girl

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3 years ago

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Find the area of the figure 40 yd 36 yd 20 yd 10 yd 10 yd

Ksenya-84 [330]

Answer:

1640yd

Step-by-step explanation:

10*10*2=200

36*40=1440

200+1440=1640 yd

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3 years ago

A rectangle patio is 7 feet by 8 feet. What is the length of the diagonal of the patio?

Helen [10]

7^2+8^2=113
the answer is sqrt(113)

6 0

3 years ago