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ELEN [110]
3 years ago
15

5 times the sum of a number and 4 equals 9

Mathematics
1 answer:
goblinko [34]3 years ago
5 0

Answer:

-2.2

Step-by-step explanation:

By using the equation 5*(4+x)=9, when you isolate x you get -2.2.

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I dont understand this!
DaniilM [7]

Answer:perimeter  

Step-by-step explanation:20+20+4=44 and u multiply 3/5x times 2 it equals 6/10x+44

4 0
3 years ago
To go on the class trip, chang needs at least $125. he has saved $45, and he makes $7 an hour at his job. what is the minimum nu
Murljashka [212]
The total amount that Chang will received from his wages is the product of his hourly wage times the number of hours he has worked (n). His total savings should not be less than $125. The equation that best describes the situation is, 
                                    45 + 7n ≥ 125
Solving for n in the inequality gives an answer of n≥11.42 hours. Thus, he needs to work for at least 12 hours.
6 0
3 years ago
Read 2 more answers
Given the figure above, if​
Len [333]

Answer:

67

Explanation:

the angle labeled 10 which is =113 and the angle labeled 11 are co interior angles.

co interior angles add upto 180 therefore to get the value of the angle labeled 11 you subtract 113 from 180 which gives you 67

the angle labeled 11 which is =67 and the angle labeled 8 are alternate angles. Alternate angles are equal therefore the value of the angle labeled 8 which you've been asked to give is 67

6 0
3 years ago
What information is necessary to prove two triangles are similar by the SAS similarity theorem?
Irina18 [472]

Answer:

If two sides in one triangle are proportional to two sides in another triangle and the included angle in both are congruent, then the two triangles are similar.

Step-by-step explanation:

4 0
3 years ago
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Is 0.015625 between 0 and 1 ?
lana [24]
Yes, because if you round up or round down it'll be 0.02 or 0.01.
If you put them on the number line, it'll between 0 and 1.
3 0
3 years ago
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