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3 years ago

Find the length of side x in simplest radical form with a rational denominator. X

Mathematics

1 answer:

scoundrel [369]3 years ago

7 0

This question is gonna need the picture to go with it

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Which numbers are greater than 7 x 10^-4

DIA [1.3K]

A. 8 x 10^ -4
D. 3 x 10^ -2

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3 years ago

Alvin has $760 less invested in 7% than he has at 5%. If his annual income from these two investments is $51.20, how much does h

kondor19780726 [428]

Answer:

Alvin invested $110 at rate of 7% and invested $870 at rate of 5%

Step-by-step explanation:

we know that

The simple interest formula is equal to

$I=P(rt)$

where

I is the Interest Value

P is the Principal amount of money to be invested

r is the rate of interest

t is Number of Time Periods

in this problem

Let

x------> the amount of money invested at rate of 5%

At rate of 7%

we have

$t=1\ years\\ P=(x-\$760)\\r=0.07$

At rate of 5%

we have

$t=1\ years\\ P=x\\r=0.05$

substitute in the formula

$51.20=(x-760)(0.07*1)+(x)(0.05*1)$

$51.20=0.07x-53.2+0.05x$

$51.20+53.2=0.12x$

$x=104.4/0.12=\$870$

therefore

Alvin invested ($870-$760)=$110 at rate of 7%

Alvin invested $870 at rate of 5%

8 0

3 years ago

A group of 20 friends were going on a picnic 7 friends were playing basketball and 5 friends were having snacks if 2 friends wer

dlinn [17]

The problem statement tells you "7 friends were playing basketball".

_____
It appears 5 friends were only playing basketball, 2 friends were playing basketball and having snacks, and 3 friends were only having snacks. Apparently, 10 friends were doing neither of those activities.

4 0

3 years ago

M || n, find the value of x. m n 65° (4x-17)° WILL MARK BRAINLIEST IF RIGHT!

Fiesta28 [93]

Answer:

$x = 33$

Step-by-step explanation:

$65 + 4x - 17 = 180$

$4x + 48 = 180$

$4x = 132$

$x = 33$

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3 years ago

Draw quick pictures to show how to subtract 314 and 546

Alenkinab [10]

In order to subtract larger numbers, such as these three digit numbers, it is beneficial to write the numbers in a single column in two rows. Place the larger number in the first row and the smaller one in the second row. After that, start subtracting the numbers starting from the right-most number; you may need to carry over numbers if the number on top is smaller than that at the bottom. The answer of this subtraction is 232.

4 0

3 years ago