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3 years ago

A jar contains 50 coins, all either 2 cents or 5 cents. The total value of the coins is $1.87.

Mathematics

2 answers:

trapecia [35]3 years ago

8 0

Answer:

there would be 21 cents

lianna [129]3 years ago

3 0

Answer:

they would be 21 cents coins

HOPE IT WILL HELP U! 

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Find x using completing the square method x^2+16n+28 = 0

Nezavi [6.7K]

Answer:

x=√−16n−28 or x=−√−16n−28

Step-by-step explanation:

Step 1: Add -16n to both sides.

x2+16n+28+−16n=0+−16n

x2+28=−16n

Step 2: Add -28 to both sides.

x2+28+−28=−16n+−28

x2=−16n−28

Step 3: Take square root.

x=√−16n−28 or x=−√−16n−28

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2 years ago

Find the measure of angle 7. (WILL MARK BRAINLIST JUST HELP)

sleet_krkn [62]

Answer:

angle 7 is 26 degrees

Step-by-step explanation:

180 - 154 = 26

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2 years ago

Use the area model for 359 divided by 4

Wittaler [7]

359÷4 gives you 89.75

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2 years ago

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Find the measure of the third angle of a triangle given the measures of two angles. 34 and 88

romanna [79]

Answer:

Step-by-step explanation:

All three angles of a triangle have to add up to 180. Given this we can do the following problem:

180-34-88 = 58

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3 years ago

Find the amount of interest payable if $400 is borrowed at 14% interest and is to be repaid in 6 months

Shtirlitz [24]

Answer:

The amount of interest payable after 6 months is $28.

Step-by-step explanation:

Here, the Principal amount borrowed = $400

Rate of Interest = 14%

Time = 6 months = 6 / 12 years = 0.5 year

Now, SIMPLE INTEREST = $\frac{P \times R \times T}{100}$

So, here SI = $SI = \frac{400 \times 14 \times 0.5}{100} = 28$

or, SI = $28

Hence, the amount of interest payable after 6 months is $28.

4 0

3 years ago