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3 years ago

Please I really need an A on this I will let you know the answers when Im done

Mathematics

1 answer:

zhenek [66]3 years ago

5 0

1 . 48 is the answer as the two bottom ones are equal 180-66-66=48

2. 117 degrees as the angle is the same as the other congruent angle shown in the diagram

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the washer is made from a disk of metal that has a mass of 41.7 g. A hole is stamped in the disk and 20.2 g of metal was removed

gtnhenbr [62]

So you would do 41.7g - 20.2g and get 21.5g, then multiply it by 140g. 140g x 21.5g = 3010g

5 0

3 years ago

Plant A is 16/3 feet tall. This is 4/5 as Plant B. How tall is Plant B?

bearhunter [10]

Plant B is $\frac{20}{3}$ feet tall.

Step-by-step explanation:

Given,

Height of plant A = $\frac{16}{3}\ feet$

This is 4/5 of height of plant B.

Let,

x be the height of plant B.

$\frac{4}{5}x=\frac{16}{3}$

Multiplying both sides by $\frac{5}{4}$

$\frac{5}{4}*\frac{4}{5}x=\frac{16}{3}*\frac{5}{4}\\\\x=\frac{80}{12}\\\\x=\frac{20}{3}$

Plant B is $\frac{20}{3}$ feet tall.

Keywords: fraction, height

Learn more about fractions at:

#LearnwithBrainly

8 0

3 years ago

Find the missing value

SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

Step 1: Set up equation

-1 = 7 - x

Step 2: Subtract 7 on both sides

-8 = -x

Step 3: Divide both sides by -1

x = 8

So 7 subtracted by 8 equals -1.

8 0

3 years ago

At a certain car rental company, it costs $39.95 per day and $0.06 cents per mile to rent a car. How much would it cost to rent

Elden [556K]

Answer:

Step-by-step explanation:

360

6 0

4 years ago

Read 2 more answers

Under certain conditions, the number of bacteria present in a colony is approximated by f(t) = Age 0.023t, where t is in minutes

AleksandrR [38]

Answer:

5 min: 3,029,058
10 min: 3,398,220
60 min: 10,732,234

Step-by-step explanation:

The given function is evaluated by substituting the given values of t. This requires using the exponential function of your calculator with a base of 'e'. Many calculators have that value built in, or have an e^x function (often associated with the Ln function).

<h3>5 minutes</h3>

The number of bacteria present after 5 minutes is about ...

f(5) = 2.7×10^6×e^(0.023×5) ≈ 3,029,058

<h3>10 minutes</h3>

The number of bacteria present after 10 minutes is about ...

f(10) = 2.7×10^6×e^(0.023×10) ≈ 3,398,220

<h3>60 minutes</h3>

The number of bacteria present after 60 minutes is about ...

f(60) = 2.7×10^6×e^(0.023×60) ≈ 10,732,234

8 0

3 years ago