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algol13
3 years ago
11

Solve the equation 7+4y=39

Mathematics
2 answers:
Rashid [163]3 years ago
7 0

Answer:

<h2>y = 8</h2>

Step-by-step explanation:

7+4y=39\\\\\mathrm{Subtract\:}7\mathrm{\:from\:both\:sides}\\7+4y-7=39-7\\\\\mathrm{Simplify}\\4y=32\\\\\mathrm{Divide\:both\:sides\:by\:}4\\\frac{4y}{4}=\frac{32}{4}\\\\Simplify\\y =8

Marizza181 [45]3 years ago
4 0

Answer:

<em>y = 8</em>

<em />

Step-by-step explanation:

7 + 4y = 39

Rearrange:

4y + 7 = 39

Subtract 7 from both sides:

4y + 7 = 39

     - 7     -7

4y = 32

Divide both sides by 4:

4/4 = y

32/4 = 8

<u>y = 8</u>

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Answer:    Cool!ididnt even no that!

Step-by-step explanation:

7 0
3 years ago
Which steps would you use to plot the point (7, −6, −5) in a 3-dimensional coordinate system starting from the origin?
I am Lyosha [343]

Answer:

B. move forward 7, left 6, and down 5

Step-by-step explanation:

By the <u>convention of 3D geometr</u>y, the coordinates of a point (x,y,z) represent how far the point is from the origin forward-backward , right/left , up-down respectively with prior one for the positive coordinate and latter for the negative coordinate.

so we need to move forward 7 for x=7 then to left 6 for y=-6 and then down 5 for z=-5.

3 0
3 years ago
PLEASE ANSWER ASAP Which function has a constant additive rate of change of –1/4?
Hatshy [7]

Answer:

the first graph

Step-by-step explanation:

The first one  - y = 1/4x + 3/2.

sorry im a bit late but hopefully this helps

6 0
2 years ago
If Adrianna can read 7 pages in 10 minutes. At this rate, how many page can she read in 25 minutes?
lesya692 [45]

3.5 : 5

7 : 10

14 : 20

17.5 : 25

At that rate, she can read 17.5 pages in 25 minuets.

Divide both 7 and 10 by 2, which gets 3.5 and 5

5 * 5 = 25

5 * 3.5 = 17.5

Therefore, in 25 minuets, she can read 17.5 pages.  

4 0
3 years ago
Read 2 more answers
Abbeys cat weighs 18 pounds. Her dog weighs 2 pounds more than half her cats weight. Write and evaluate an expression to show ho
SIZIF [17.4K]

(18 \div 2)  + 2 = x
X= lbs Abbys dog weighs
so you would take 18 divide by 2 which is 9, then you add 2. So Abbys dog weighs, 11 lbs.
4 0
2 years ago
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