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joja [24]
3 years ago
5

The sum of two numbers is 10. The difference between the two numbers is 4.

Mathematics
1 answer:
Nitella [24]3 years ago
7 0

Answer:3

Step-by-step explanation:

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PLEASE HELP ME... ANYONE.... i am begging you. i will mark brainiest, whatever you want. please help...
Mice21 [21]

Answer:

<h2>5m - 6 = 19</h2>

Step-by-step explanation:

<h3>We are given:</h3>

Monday x 2 = Tuesday

Tuesday - 6 = Wednesday

Lets say

Monday = m

Tuesday = t

Wednesday = w

m = m

2m = t

2m - 6 = w

Combine like terms: 5m - 6 = 19

Add 6 to both sides

5m = 25

Divide both sides by 5

m = 5

Plug it in the equations.

<em>Monday = 5</em>

<em>Tuesday =  10</em>

<em>Wednesday = 4</em>

4 0
3 years ago
Read 2 more answers
The ratio of the number of girls to the number of all students in the class is 4 to 9. Can there be 20 students in that class?
Masteriza [31]

Answer:

No

Step-by-step explanation:

  1. 20 ÷ 9 = 2.222222222
  2. 9 does not go evenly into 20, and there can't be a fraction of a student, so the answer is no.

I hope this helps!

3 0
3 years ago
I have to use completing the square then put it in vertex form, and I have no clue how the hell do to that.
vodka [1.7K]

Answer:

y=8(x+1)²-2

Step-by-step explanation:

Completing the square is a method of factorising. x²+bx+c=0 becomes x²+bx+(\frac{1}{2}b)²-(\frac{1}{2}b)²+c=0. This then gets converted to make an equation of (x+\frac{1}{2}b)²+(-(\frac{1}{2}b)²+c)=0.

Vertex form is y=a(x-h)²+k.

8x²+16x+6=0 must first be divided by 8 to 8(x²+2x+\frac{6}{8})=0 (as there cannot be a coefficient for x²).

This will become 8(x²+2x+\frac{2}{2}²-\frac{2}{2}²+\frac{3}{4})=0.

From there, using the method above, we can convert it to 8[(x+1)²-1+\frac{3}{4}]=0.

Solving this gets 8[(x+1)²-\frac{1}{4}]=0.

With 8 as a, 1 as -h, and 8×-\frac{1}{4} (-2) as k, we can input this into vertex format to get the result of y=8(x+1)²-2.

**This equation involves completing the square and vertex form, which you may wish to revise. I'm always happy to help!

5 0
3 years ago
The figure below. help me please ​
34kurt
It’s C, i just did it and i got 90% of them right. It’s C.
3 0
2 years ago
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8. MD Persevere with Problems The perimeter of a rectangle
ss7ja [257]

Answer:

Step-by-step explanation:

P = 2(L + W)

P = 24

width = x, length = y

24 = 2(x + y)

24 = 2x + 2y

standard form would be : 2x + 2y = 24, or it could also be x + y = 12

to find the x intercept, sub in 0 for y and solve for x

x + y = 12

x + 0 = 12

x = 12....so the x intercept is (12,0)

to find the y intercept, sub in 0 for x and solve for y

x + y = 12

0 + y = 12

y = 12......so the y intercept is (0,12)

No, the intercepts do not make sense.

consider the equation : 2x + 2y = 24

if x is 12.......

2(12) + 2y = 24

24 + 2y = 24

2y = 24 - 24

2y = 0

y = 0......so if x (the width) is 12 cm, the y(the length) would be 0.

same goes with the length (y)....if y = 12, then the width (x) is 0

also, if x is 12 and y is 12

P = 2(L + W)

P = 2(12 + 12)

P = 2(24)

P = 48..............then the perimeter would not be 24, it would be 48

6 0
3 years ago
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