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3 years ago

Solve and show your work for each question.

Mathematics

2 answers:

aliina [53]3 years ago

5 0

0.45/1

Then multiply top and bottom by 100.

45/100

Then simplify!

45/100 divide top and bottom by 5.

9/20

Harlamova29_29 [7]3 years ago

4 0

Answer:

9/20

Step-by-step explanation:

You set the fraction up at first as 45/100. Then you know that 5 goes into each so you divide by 5 $\frac{45}{100} /5$

45/5=9

100/5=20

You get 9/20, and this is in simplest form.

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Which expressions can be used to find m∠ABC? Check all that apply.

valina [46]

Answer:

$\cos^{-1}(\frac{6.3}{9.8})$

$\sin^{-1}(\frac{7.5}{9.8})$

Step-by-step explanation:

Recall the mnemonics SOH-CAH-TOA

The sine ratio is the length of the opposite side expressed over the hypotenuse.

$\sin m\angle ABC=\frac{7.5}{9.8}$

Take the sine inverse of both sides to get;

$m\angle ABC=\sin^{-1}(\frac{7.5}{9.8})$

The cosine ratio is the length of the adjacent side expressed over the hypotenuse.

$\cos m\angle ABC=\frac{6.3}{9.8}$

Take the cosine inverse of both sides to get;

$m\angle ABC=\cos^{-1}(\frac{6.3}{9.8})$

4 0

4 years ago

HELP ASAP PLEASE! Accounting class! Lorge Corporation has collected the following information after its first year of sales. Sal

abruzzese [7]

Answer:

what is thia

Step-by-step explanation:

i have no idea what you juat said like fr what topic is this im too bored to read the queation

3 0

3 years ago

The surface area of an oil spill gets 131% larger every day, represented by the function s(x) = (1.31)x − 1. On the first day, i

scoray [572]

Answer:

The correct option is B.

Step-by-step explanation:

It is given that the surface area of an oil spill gets 131% larger every day, represented by the function

Where x is number of days.

On the first day, it covered an area of 21 square meters. It means the initial area is 21 square meters.

The function is defined as

Where is initial value and b is growth factor.

It means the function of new area is the product of initial area and increasing area function. The required function is

Therefore option B is correct.

6 0

3 years ago

Kim owes her friend $245 and plans to pay $35 per week. write an equation for the function that shows the amount Kim owes after

nevsk [136]

35x=245

so you would divide both sides by 35

x=7

so it would take her 7 weeks or 1 month and 3 weeks to pay her friend back

Brainliest please

7 0

3 years ago

Thes one more step btw this is all one question

Nikolay [14]

Answer:

x>-4

Step-by-step explanation:

flip sign when dealing with negative

8 0

3 years ago