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3 years ago

Find the answers please?

Mathematics

2 answers:

Anarel [89]3 years ago

4 0

Answer:

1. corresponding angles theorem, 2. linear pair postulate, 3. definition of supplementary angles (I am not a %100 sure on number 3 though)

Step-by-step explanation:

vodka [1.7K]3 years ago

3 0

Answer:

<1 and <5 by the corresponding angles theorem

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Maria scored 72, 97, and 82 on her first three math tests. She wants to have a mean score of 82 for the quarter. How many points

Rom4ik [11]

Answer:

She needs 77 on her last test to earn an 82 for the quarter.

Step-by-step explanation:

Maria scored 72, 97, and 82 on her first three math tests.

She wants to have a mean score of 82 for the quarter.

Let us assume that she must score x on her last test to earn an 82 for the quarter.

So the average score will be,

$=\dfrac{72+97+82+x}{4}$

But the average score is given as 82, so

$\Rightarrow \dfrac{72+97+82+x}{4}=82$

$\Rightarrow 72+97+82+x=82\times 4$

$\Rightarrow 72+97+82+x=328$

$\Rightarrow x=328-72-97-82$

$\Rightarrow x=77$

3 0

2 years ago

Read 2 more answers

Please solve this i really need this

d1i1m1o1n [39]

Answer:

a = 8 (to nearest whole number)

Step-by-step explanation:

Given:

m<B = 36°

m<C = 104°

c = 12

Required:

SOLUTION:

✔️First find m<A:

m<A = 180 - (104 + 36)

m<A = 40°

✔️Find a using Sine Rule:

Thus:

$\frac{a}{sin(A)} = \frac{c}{sin(C)}$

Plug in the values

$\frac{a}{sin(40)} = \frac{12}{sin(104)}$

Multiply both sides by sin(40)

$\frac{a}{sin(40)} * sin(40) = \frac{12}{sin(104)} * sin(40)$

$a = \frac{12*sin(40)}{sin(104)}$

$a = 8$ (nearest whole number)

4 0

2 years ago

the price of grapes at the grocery store is 1.44 per pound. There are approximately 0.45 kilograms in a pound. To the nearest pe

4vir4ik [10]

1 kg = 1pound/0.45=2.2222(2) pounds
1.44*2.222(2)=3.11 dollars per kilogram
Price of grapes is 3.11 dollars per kilogram

6 0

3 years ago

Which equation can be simplified to find the inverse of y=5x^2+10

vodka [1.7K]

F^-1(x) should be the answer.

6 0

3 years ago

Share $72 in the ratio 5:4

nignag [31]

Answer:

Step-by-step explanation:

Let ratio be x

$72=5x+4x

$72=9x

X=$72/9=$8

Required share=5×$8=$40

And 4×$8=$32

4 0

2 years ago