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makvit [3.9K]
3 years ago
13

How to do angles like vertical and congruent

Mathematics
2 answers:
sammy [17]3 years ago
5 0
Vertical angles are always congruent. When you have two intersecting lines, the 4 angles created at the point of intersection are two pairs of vertical angles. Vertical angles do not share a common side.
Talja [164]3 years ago
3 0
The angles have to have a 90 degree angle , and they have to be equal too
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Joe has $70 in a savings account. The interest rate is 10% per year and is not compounded,
sladkih [1.3K]

Answer:

$28

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 10%/100 = 0.1 per year,

then, solving our equation

I = 70 × 0.1 × 4 = 28

I = $ 28.00

The simple interest accumulated

on a principal of $ 70.00

at a rate of 10% per year

for 4 years is $ 28.00.

8 0
3 years ago
A large rock has a mass of 9,000 grams. What is the mass of the rock in kilograms ?
katovenus [111]
The mass of the rock in kg is 90,000 kg
4 0
3 years ago
Read 2 more answers
Yo im not good at this stuff, can someone help me?​
Kazeer [188]

Answer:

  21 kWh

Step-by-step explanation:

1. Subtract 25% from the original amount.

  25% of 28 kWh is ...

  0.25 × 28 kWh = 7.00 kWh

Subtracting this from 28 kWh, we find the usage after reduction to be ...

  28 kWh - 7 kWh = 21 kWh

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2. We know that if we reduce 100% of a quantity by 25%, then the resulting amount is (100 -25)% = 75% of the original. As a fraction, this is 75/100 = 3/4 of the original amount. Then the reduced usage is ...

  (3/4) × (28 kWh) = 3·(7·4)/4 kWh = 3·7 kWh = 21 kWh

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Mario must reduce his usage to 21 kWh or less.

7 0
3 years ago
Giving Brainliest!
zavuch27 [327]
It is the first option- 12 times one fourth the quotient of 6 and 2
4 0
2 years ago
+ PRINCIPLES OF MATHEMATICS
GREYUIT [131]

Answer:

$9,840

Step-by-step explanation:

Let the money earned from college be 'x'.

Given:

Total money earned from the two jobs = $50,450

Money earned at the store = 1250 + 4(Money earned at college)

∴ Money earned at the store = 1250 +4x

Now, total money earned by Erica is the sum of money earned at store and college. Therefore,

Total money = Money at store + Money at college

50450=1250+4x+x\\5x+1250=50450\\5x=50450-1250\\5x=49200\\x=\frac{49200}{5}=\$9840

Therefore, the money earned by Erica from her job at the college is $9,840.

3 0
3 years ago
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