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stealth61 [152]
3 years ago
11

3(x+2)=9(6-x) Answer please and show your work :D

Mathematics
1 answer:
Nookie1986 [14]3 years ago
6 0

Answer: x=4

Step-by-step explanation: 3x+6= 54-9x

6= 54 -12x

-48=-12x

x=4

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Please Help for both 6 and 7. I’m confused on both. Please show Explanation. Will Select Brainliest.
krek1111 [17]

answer: 32, 72

question 6

angle PQR and 148 are supplementary angles, so they add up to 180

PQR + 148 = 180

PQR = 180 - 148 = 32

question 7

in triangle RTS, all three angles must add up to 180

angle R = angle PQR = 32

angle S = 180 - 104 = 76 (because of supplementary angles)

angle T = angle RTS (we need to find this)

32 + 76 + angle RTS = 180

angle RTS = 72

8 0
3 years ago
What is half of the product of 8 1/7 and 7 4/5
UNO [17]

First we must convert these mixed numbers to improper fractions:

8\frac{1}{7}=\frac{57}{7}

7\frac{4}{5}=\frac{39}{5}

So then we need the product of these two numbers. That means to multiply:

\frac{57}{7}* \frac{39}{5}= \frac{2,223}{35}

But then we need the value of half of this product. So then let's multiply by one-half:

\frac{2,223}{35} *\frac{1}{2} =\frac{2,223}{70}

Then we can convert this from an improper fraction to a mixed number:

\frac{2,223}{70} =31\frac{53}{70}

And so this number is half of the product of the initial two numbers.

6 0
3 years ago
What is the sigh of 48 2/9 + (-39 8/9)
Elden [556K]

Answer:

NEGATIVE SIGH

Step-by-step explanation:

The Answer is 24

7 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST
levacccp [35]

Answer:

a.  5^{2} x^{3}

b. 8^{3}

c. 4^{3} x^{4}

Step-by-step explanation:

a.  5^{2} x^{3}

b. 8^{3}

c. 4^{3} x^{4}

5 0
2 years ago
What is the y- intercept of the graph of 2x + y = -4?
Brrunno [24]

First write the equation in slope-intercept form which is more commonly known as <em>y = mx + b</em> form where the <em>m </em>or the coefficient of the x term represents the slope of the <em>b</em> or the constant term represents the y-intercept.

Subtract 2x from both sides to get <em>y = -2x - 4</em>.

I put the x term first because that's how it is in y = mx + b form.

Now we can see that the <em>b</em> or the constant term is -4.

We can write this as the ordered pair (0, -4).

Keep in mind when writing a y-intercept as an ordered pair, your x-coordinate will always be 0 in the ordered pair.

8 0
3 years ago
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