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2 years ago

12

Write the number in 2 other forms (fraction , decimal or percent). Write the fractions in simplest form. #1 19/20 #2 9/16 Help p

lz

1 answer:

ad-work [718]2 years ago

7 0

19/20 in simplest form is 0.95
9/16 in simplest form is 0.5625

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I need help with all of these

Olin [163]

If you take your calculator and enter in -82+28 it should give you the answer easily If you dont have one use ur phone.

Easiest way 1.o.1

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3 years ago

What is the measure of the angle

rodikova [14]

Angle A is in the triangle, so it adds up to 180. You need to add up 120+18, which gives you 138. You’ve got angle B right there.Subtract that from 180 and you got 42, which is A.

So overall, A=42, B=138

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3 years ago

Find the value of m that makes ABC~DEF when AB= 3, BC= 4, DE= 2m, EF= m+5, and ∠B≅∠E.

Yuki888 [10]

Answer:

m = 3

Step-by-step explanation:

It is given that there are two triangles $\triangle$ ABC and

$\triangle$ ABC ~

Also, the sides are:

AB= 3

BC= 4

DE= 2m

EF= m+5 and

∠B≅∠E

Please have a look at the attached figure for $\triangle$ ABC and

The triangles are similar so as per the property of similar triangles, the ratio of corresponding sides will be same.

i.e.

$\dfrac{AB}{DE} = \dfrac{BC}{EF}\\\Rightarrow \dfrac{3}{2m} = \dfrac{4}{m+5}\\\Rightarrow 3 \times (m+5) = 4 \times 2m\\\Rightarrow 3m +15= 8m \\\Rightarrow 5m=15\\\Rightarrow m = 3$

So, <em>value of m = 3.</em>

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3 years ago

If f(x)=5x-12, find a value for $x$ so that f^{-1}(x)=f(x+1).

Vinil7 [7]

Answer:

$\boxed{\sf \ \ \ x=\dfrac{47}{24} \ \ \ }$

Step-by-step explanation:

Hello,

f(x)=5x-12

we need to find x so that

$f^{-1}(x)=f(x+1)$

<u>so first of all we can write</u>

$x = (fof^{-1})(x)=f(f^{-1}(x))=5f^{-1}(x)-12\\\\5f^{-1}(x)=x+12\\\\f^{-1}(x)=\dfrac{x+12}{5}$

and f(x+1) = 5(x+1) - 12 = 5x + 5 -12 = 5x - 7

then solving

$f^{-1}(x)=f(x+1)$

is equivalent to

$\dfrac{x+12}{5}=5x-7 \ multiply \ by \ 5 \\\\ x+12 = 5(5x-7)=25x-35\\ 25x-x=12+35\\\\24x=47\\\\x=\dfrac{47}{24}$

Hope this helps

4 0

3 years ago

Read 2 more answers

There are 5 question if you guys help me you’ll get brainlest:) 1/5

saveliy_v [14]

Answer:

D

Step-by-step explanation:

11/3 = 3.66

so it must be D

4 0

2 years ago

Read 2 more answers