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liubo4ka [24]
3 years ago
15

What is the value of a if (2a + 3) - 3/4 (4a - 8) = 7

Mathematics
1 answer:
Margaret [11]3 years ago
3 0
It would be x=2 becuz that equation simplified is 2x+3-3x+6=7
than it would be -x+9=7 and than subtract 7 and 9 -x=-2 divide x=2
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20a + 158 +6c = 20 (6) + 15 (4) + 6(8)<br> +<br> ?<br> +<br> ?
Jobisdone [24]

Step-by-step explanation:

20a + 158+6c=you will expand the brackets

= so it is 120+60+48

20a+158+6c=120+60+48

20a+ 6c=120+60+48-158

20a+6c=70

20a divide by 20+6c divide by 6 on both side

a + c = 0.58

7 0
3 years ago
The radius of a sphere is 12 units. Find the volume of the sphere. Write your answer in terms of pi.
stiv31 [10]

Answer:

V = 2304π units³

Step-by-step explanation:

The volume (V) of a sphere is calculated as

V = \frac{4}{3}πr³ ( where r is the radius ) , then

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   = \frac{4}{3} π × 1728

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5 0
2 years ago
Y+2=1/3 (x+1) please can you help
miskamm [114]

Equation:

y + 2 = 1/3(x+1)

Assuming you are solving for Y:

y + 2 = 1/3(x) + 1/3(1)

(y + 2) - 2 = (1/3x + 1/3) - 2

y = 1/3x + 1/3 - 2

<u>y = 1/3x - 5/3</u>

7 0
3 years ago
d = {x|x is a whole number} e = {x|x is a perfect square between 1 and 9} f = {x|x is an even number greater than or equal to 2
Alexxandr [17]
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5 0
3 years ago
Read 2 more answers
I will give u brianliest
Bond [772]

Answer:

1: 3×2

2: y^6

Step-by-step explanation:

1:

Multiply the numbers: y(^3^*^2)

3*2 = 6

Write it without exponents:

y * y * y * y *y *y so 6y.

2:

(y^3)^2

Apply exponent rule : (a^b)^c=a^b^c, assuming a\geq 0

(y^3)^2=y^3^*^2

=y^3^*^2

Multiply the numbers: 3 * 2 = 6

= y^6

Hope I helped! If so, may I get Brainliest and a Thanks?

Thank you, have a good one! =)

6 0
3 years ago
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