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Artist 52 [7]
3 years ago
11

PLZ HELP ASAP !!! MARKIN BRAINIEST !!!

Mathematics
1 answer:
vovikov84 [41]3 years ago
4 0

Answer:

PLZZZZ I WANT BRAINIEST IM ONLY IN MIDDLE SCHOOL PLZZZZ BRAINIEST!

Step-by-step explanation:

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Which has the same solution as 2 (x+4)=-7-3x
pentagon [3]
2(x+4)=2x+8=-7-3x switch 3x+2x=-7-8=-15=5x so x=-15/5=-3
3 0
3 years ago
What is the y-intercept, axis of symmetry and vertex of the following function.
tamaranim1 [39]
To find the y intercept you must substitute 0 into x.

F(x) = (-3x0) - (6x0) - 5
F(x) = -5

To find the axis of symmetry and vertex we use the formula -b/2a to find the x coordinate

x = 6/(-3x2)
x = 6/-6
x = -1

Now we need to find the y coordinate so we sub -1 into x.

F(x) = (-3x-1) - (6x-1) - 5
F(x) = 3 + 6 - 5
F(x) = 4

The axis of symmetry and vertex are (-1,4) and the y coordinate is -5. Hope this helps.
5 0
2 years ago
Read 2 more answers
Please answer it now in two minutes
oksano4ka [1.4K]

Answer:

3.9

Step-by-step explanation:

Pythagorean theorem:

a^2 + b^2 = c^2

a^2 + 1^2 = 4^2

a^2 + 1 = 16

a^2 = 15

a = sqrt(15)

a = 3.9

Answer a = 3.9 yards

3 0
3 years ago
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Sari sold 300 boxes of greeting cards in November. In december she sold 500. What was the percentage increase in her sales
grigory [225]
There was a 66 \frac{2}{3}% increase from Sari's sales from November to December. 

To find the percentage increase in her sales, we must first find the amount her sales increased. We can do that by subtracting the greeting cards sold in November from the number of greeting cards sold in December. Substituting values and simplifying, we get that she sold 200 more greeting cards in December.

To find what percent increase this is, we must find what percent 200 is of the number of greeting cards sold in November. We can do this by dividing 200 by the number of cards sold in November (300), and then multiplying by 100 (to make it a percent). Doing this, we get \frac{2}{3} * 100 which gives us our answer of 66 \frac{2}{3}%.
3 0
3 years ago
rancho middle school has an average of 23 3/8 students per teacher.write this mixed number as a decimal.
Bas_tet [7]
The answer is :
23 3/8 can be written as 23.375
3 0
3 years ago
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