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jasenka [17]
3 years ago
11

Please help its for algebra!

Mathematics
1 answer:
RSB [31]3 years ago
5 0

Answer:

x - 2y = 32

Step-by-step explanation:

Start with y + 7 = (1/2)(x - 18).

Clear out the fractions by mult. both sides by 2:

2y + 14 = x - 18

Subtract 2y + 14 from both sides, obtaining:

0 = x - 2y - 14 - 18, or

0 = x - 2y - 32

Then x - 2y = 32.  This is in standard form.

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3/8 + 1/8 - 1/3 + 1/4 =
Dahasolnce [82]

Answer:

0.41666666, to round up, the answer is 0.42

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Please help if you can thanks ^^
Neko [114]

Given:

AD is an angle bisector in triangle ABC. m\angle CAB=44^\circ, m\angle ACB=72^\circ, m\angle ABC=64^\circ.

To find:

The value of m\angle ADC.

Solution:

AD is an angle bisector in triangle ABC.

m\angle CAD=m\angle BAD=\dfrac{m\angle CAB}{2}

m\angle CAD=m\angle BAD=\dfrac{44^\circ}{2}

m\angle CAD=m\angle BAD=22^\circ

According to the angle sum property, the sum of all interior angles of a triangle is 180 degrees.

Using angle sum property in triangle CAD, we get

m\angle CAD+m\angle ADC+m\angle ACB=180^\circ

22^\circ+m\angle ADC+72^\circ=180^\circ

m\angle ADC+94^\circ=180^\circ

m\angle ADC=180^\circ-94^\circ

m\angle ADC=86^\circ

Therefore, the angle of angle ADC is 86^\circ.

3 0
3 years ago
Principal, $2000; Annual interest rate, 5.3%; time, 2 years<br> After 2 years?
dangina [55]

Answer:

212 and I= 2000+212

              =2212

Step-by-step explanation:

3 0
3 years ago
43 people are going to a club. A taxi can carry 7 people how many takis do they need?
irina1246 [14]

Answer:

They need 7 taxis

Step-by-step explanation:

43/7 is 6.14, and since their cant be .14 f a person you have to round up

7 0
3 years ago
The sum of −7 times a number and 8 times the sum of the number and 1 is the same as the number minus 7.
Novay_Z [31]

Answer:

n has no value.

There is no solution to this equation

Step-by-step explanation:

let n be the number

In pieces:

sum of the number and 1: (n + 1)

8 times the sum: 8(n + 1)

-7 times a number: -7n

sum of -7 times and...: -7n + 8(n + 1)

number minus 7: n - 7

the same as: =

All together:

-7n + 8(n + 1) = n - 7

-7n + 8(n+1)=n-7

-7n + 8n+8=n-7

0=-15

3 0
2 years ago
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