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Inga [223]
2 years ago
7

Which angles are congruent to each other

Mathematics
1 answer:
katrin2010 [14]2 years ago
4 0

Answer:

Step-by-step explanation:

um

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Which equation matches the function shown in the graph?
borishaifa [10]

Answer:

its c ! just took the test :)

5 0
3 years ago
The ratio of money in Terry's bank account to Faye's bank account was 3:5.
inn [45]

Answer:

<em>Terry had £780 initially and Faye had £1300</em>

Step-by-step explanation:

<u>System of Equations</u>

We'll call the following variables:

x = Terry's balance in his bank account

y = Faye's balance in her bank account

The initial relation between them is:

\frac{x}{y}=\frac{3}{5}

Cross-multiplying:

5x = 3y        [1]

If Terry put £220 in his account he had x+220 and if Faye withdrew £300 from her account, she had y-300. Both quantities are equal, thus

x + 220 = y - 300

Subtracting 220:

x = y - 520         [2]

Substituting in [1]

5(y - 520) = 3y

Multiplying:

5y - 2600 = 3y

Adding 2600 and subtracting 3y:

2y = 2600

Dividing by 2:

y = 1300

From [2]:

x = 1300 - 520

x = 780

Terry had £780 initially and Faye had £1300

7 0
2 years ago
A circle has an area of 40 square inches. Find the radius to 2 decimal places.
Oksanka [162]

The area of a circle is given by

A=\pi r^2

We can solve this equation for r: divide both sides by pi:

r^2=\dfrac{A}{\pi}

Consider the (positive) square root of both sides:

r = \sqrt{\dfrac{A}{\pi}}

So, in your case, we have

r = \sqrt{\dfrac{40}{\pi}}\approx 3.57

7 0
3 years ago
Log 3 x=4 pls and thx
Fantom [35]

Answer:

D

Step-by-step explanation:

Using the law of logarithms

• log_{b} x = n ⇔ x = b^{n}

given

log_{3} x = 4 ⇒ x = 3^{4} = 81 → D

8 0
2 years ago
Find the value of each variable
Neko [114]

x = 15  \sqrt{2}

y = 15  \sqrt{2}

6 0
2 years ago
Read 2 more answers
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