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DedPeter [7]
3 years ago
5

Hi I need help. I will also tell you this so you don't end up doing it. So the question about Toby is not a problem for you to d

o so don't do it. If your here to help, I'm here to give.

Mathematics
1 answer:
mote1985 [20]3 years ago
8 0

5. 25 = x + 3

It is a one step equation. You just need to subtract 3 on both sides to get x.

6. 2b - 7 = 15

This is a two step equation. You need to add 7 on both sides and then divide both sides by 2 to get b.

7. 10m = 90

Finally, this is a one step equation. You need to divide both sides by 10 to find m.

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If x=-3 and y=-2 <br><br><br> Please help me
Dimas [21]

Answer:

-15

Step-by-step explanation:

(-3)^2 - 3(-3)(-2) + 2(-3)

6 0
3 years ago
Read 2 more answers
Use the relationship between the
motikmotik

The equation x° = 180° - (37°+ 53°) can be used to find the value of x.

Step-by-step explanation:

Step 1; There are three lines in the given diagram. There are a baseline and two other lines. Out of the other two lines, one extends above and below the baseline whereas the other extends only above. Since the baseline is horizontal and the others are at angles we have the sum of all the three angles as 180° i.e. 37°, x°, and 53°.

37° + x° + 53° = 180°.

Step 2; To solve the value of x, we keep the unknown value at the left-hand side whereas all the known values are taken to the right side of the equation.

x° = 180° - (37°+ 53°).

So the fifth option can be used to determine the value of x.

4 0
3 years ago
What is -3x^2-12x-10 in vertex form??
Alla [95]
If you type the equation on math way it will show you a graph for your answer!
5 0
3 years ago
Write the value of the expression 2^3/2^3
kiruha [24]

Answer:

1

Step-by-step explanation:

\frac{2^3}{2^3}\\\mathrm{Apply\:exponent\:rule}:\quad \frac{x^a}{x^b}=x^{a-b}\\=2^{3-3}\\2^{3-3}=1\\2^{3-3}\\\mathrm{Subtract\:the\:numbers:}\:3-3=0\\=2^0\\\mathrm{Apply\:rule}\:a^0=1,\:a\ne \:0\\=1

6 0
3 years ago
Solve the system by substitution.<br> x – 4y = -8<br> 5у – 1 = x<br> Submit Answer
Vikki [24]

Answer:

y = -7 and x = -36

Step-by-step explanation:

x - 4y = -8

5y - 1 = x

→ Substitute 5y - 1 into x - 4y = -8

5y - 1 - 4y = -8

→ Simplify

y - 1 = -8

→ Add 1 to both sides

y = -7

→ Substitute y = -7 into 5y - 1

( 5 × -7 ) - 1 = -36

7 0
3 years ago
Read 2 more answers
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