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3 years ago

Line a is parallel to line b, m<2=4x+44, and m <6=6x+36. Find the value of x

Mathematics

1 answer:

Greeley [361]3 years ago

5 0

Line a- x=-10.5
line b- x=-5

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How to solve (2.31*10^-6)+(5.87*10^-4)

S_A_V [24]

We want to calculate the following

$2.31\cdot10^{-6}+5.87\cdot10^{-4}$

Using the properties of exponents, we have that

$10^{-6}=10^{-4}\cdot10^{-2}$

So we have

$2.31\cdot10^{-6}+5.87\cdot10^{-4}=2.31\cdot10^{-2}\cdot10^{-4}+5.87\cdot10^{-4}$

So, if factor 10^-4 on the right side, we have

$10^{-4}(2.31\cdot10^{-2}+5.87)$

Note that

$2.31\cdot10^{-2}=0.0231$

Then,

$5.87+2.31\cdot10^{-2}=5.87+0.0231=5.8931^{}$

So we have that

$2.31\cdot10^{-6}+5.87\cdot10^{-4}=5.8931\cdot10^{-4}$

5 0

1 year ago

20 subtracted from three times a number is 6 more than the number

kompoz [17]

<h3>20 subtracted from three times a number is 6 more than the number. Then the number is 13</h3>

<em><u>Solution:</u></em>

<em><u>Given statement is:</u></em>

20 subtracted from three times a number is 6 more than the number

We can translate the sentence into algebraic expression

Let "a" be the unknown number

Then,

20 subtracted from three times "a" is 6 more than "a"

Which means,

3a - 20 = 6 + a

3a - a = 6 + 20

2a = 26

Divide both sides by 2

a = 13

Thus the number is 13

3 0

3 years ago

If b/a=c/b=d/c=2/3, find the value of a:b:c:d

leva [86]

Answer:

the ratio would be 6.75:4.5:3:2

Step-by-step explanation:

replace d and c with

d=2 and c=3

Then using proportion multiplication, you will find that b is 4.5

now replace all b with 4.5.

Then again using proportion multiplication, you will get a is 6.75.

Plug in a, b, c, d in the ratio and you get 6.75:4.5:3:2

5 0

2 years ago

Alana and her friends decided to have a water fight on a hot summer day. They filled a bunch of water balloons and started the f

tatiyna

Answer:

after the ballon fight it would be 12:45 pm

after they sprayed themselves with water it would be 1 :40 pm

1 : 40 pm is when alana's dad showed up

7 0

2 years ago

Read 2 more answers

Fernanda has a collection of 200 seashells from corpus christi she gage her sister one-fifth of her collection how many seashell

8090 [49]

1/5 of 200 is 40 which mean she gave 40 away and she has a 160 left

7 0

2 years ago