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seraphim [82]
4 years ago
13

Solve for each equation a)3(x-5)=6 b) 2(x-2/3)=0 c. 4x-5=2-x

Mathematics
2 answers:
Dovator [93]4 years ago
8 0

Answer:

A= 7   B= 0.6  C= 1.4

Step-by-step explanation:

go to m a t h w a y . c o m

fgiga [73]4 years ago
6 0

Answer:

Step-by-step explanation:

A)3(X-5)=6

X-5=2

X=7

B) 2(X-2/3)=

X-2/3=0

X=2/3

C)4X-5=2-X

5X=7

X=7/5

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10 shared between 5 students equals how many each
masha68 [24]
10 separated into 5 groups is 10/5
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10/5=2
5 0
3 years ago
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Can't figure out how to set up and check to see if right. 8/11(n-10)=64
strojnjashka [21]

Answer:

Step-by-step explanation:

\frac{8}{11}(n-10)=64\\\\\frac{8(x-10)}{11}=64\\ 8(x-10) = 64(11)\\8(x-10) = 704\\8x-80 = 704\\8x= 704+80\\8x=784\\\\\frac{8x}{8}=\frac{784}{8}  \\x=98

7 0
3 years ago
Solve the following equation for d:<br> D<br> — =7<br> 5
SIZIF [17.4K]

Answer: x = 35

Explanation: In this problem, notice that D is being divided by 5,

so to get D by itself, we need to multiply both sides of the equation by 5.

Notice that on the left side, the 5 and 5 cancel

each other out, so we are just left with D.

On the right side, we have (7)(5) which is 35.

So x = 35.

Finally, remember that we can check our answer

by plugging a 35 back into the original equation.

So we have \frac{(35)}{5} = 7.

Since this is a true statement, we know that our answer is correct, x = 35.

6 0
3 years ago
What is the first step when rewriting y = 3x2 9x – 18 in the form y = a(x – h)2 k?
stiks02 [169]
A quadratic equation has the general form of: <span>

y=ax² + bx + c

It can be converted to the vertex form in order to determine the vertex of the parabola. It has the standard form of:

y = a(x+h)² - k

This can be done by completing a square. The steps are as follows:

</span><span>y = 3x2 + 9x – 18
</span>y = 3(x2 <span>+ 3x) – 18
</span>y + 27/4= 3(x2 <span>+ 3x+ 9/4) – 18 
</span>y = 3(x2 + 3/2)^2 – 99<span>/4
</span>
Therefore, the first step is to group terms with the variable x and factoring out the coefficient of x^2.
3 0
3 years ago
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Solve for y in this equation<br> 6( y-1) -9=-5(-3y+5) -3y
saul85 [17]
6(y-1)-9=-5(-3y+5)-3y
6y-6-9=15y-25-3y
6y-15=12y-25
+15. +15
6y=12y-25
+12y +12y
18y=-25
÷18. ÷18
y=-1.38
or -1 19/50
8 0
3 years ago
Read 2 more answers
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