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koban [17]
3 years ago
6

Find 0.45 of 80 A.36 B.3.6 C.0.36 D.0.036

Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0

A

the word 'of' means to multiply

0.45 × 80 = 36


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A measurement that closely agrees with an accepted value is best described as a numerical

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A man invests his savings in two accounts ,one paying6% and the other paying 10% simple interest per year. He puts twice as much
AnnyKZ [126]

Answer: he invested $46062.5 at 6% and $23031.25 at 10%

Step-by-step explanation:

Let x represent the amount which he invested in the account paying 6% interest.

Let y represent the amount which he invested in the account paying 10% interest.

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The formula for determining simple interest is expressed as

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Considering the account paying 10% interest,

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His annual interest is $7370dollars. it means that

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0.32y = 7370

y = 7370/0.32

y = $23031.25

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6 0
3 years ago
Find the sum of the even numbers shown below. 2+4+6+8+...+66+68+70​
Mandarinka [93]

The sum its +2

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Step-by-step explanation:

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<em>sub</em><em>stitute</em><em> </em><em>it</em><em> </em><em>in</em><em> </em><em>the</em><em> </em><em>form</em><em>ula</em>

<em>4</em><em>8</em><em>=</em><em>6</em><em>k</em>

<em>making</em><em> </em><em>k</em><em> </em><em>the</em><em> subject</em><em> </em><em>by </em><em>divi</em><em>ding</em><em> </em><em>thr</em><em>ough</em><em> </em><em>by</em><em> </em><em>6</em>

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k=48/6

k=8

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from the question,the value of y when x=15 is given by

y=8×15

y=120.

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