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Kryger [21]
4 years ago
8

-5x+7(-3x-14)=162 how do you solve?

Mathematics
1 answer:
alexandr402 [8]4 years ago
6 0

Answer:

x = -10

Step-by-step explanation

5x+7(-3x-14)=162

First, 5x -21x - 98 = 162

Then, combine like-terms, -26x - 98 = 162

After that, add 98 to 162, and you'll end up with 260.

Finally, you'll wanna divide the -26x to the 162.

You'll end up with x = -10

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PLEEAASEEE HELP! what is the area of trapezoid ABCD?
daser333 [38]

What is the area of trapezoid ABCD ?

The "area of trapezoid ABCD ?" = <u>9 units²</u>

3 0
3 years ago
Read 2 more answers
If −6 + 10 = 17, then what is 3 − 5?
Novay_Z [31]
-6 + 10 = 4
but you say the answer is 17?

okay, so let's assume you add 13 to the final answer

3 - 5 = -2
-2 + 13 = 11

This question doesn't make sense
6 0
4 years ago
Simplify the expression 5+6i/4+6i<br> A) 56-6i/-20<br> B) -16-6i/-20<br> C)56-6i/52<br> D) -16-6i/52
IRISSAK [1]

Answer:

The\ simplified\ form\ of\ the\ \frac{5 + 6i}{4 + 6i}\ is\ \frac{56-6i}{52}.

Option (C) is correct .

Step-by-step explanation:

As the expression given in the question as follows.

= \frac{5 + 6i}{4 + 6i}

Now rationalize the expression.

= \frac{5 + 6i\times 4 - 6i}{4 + 6i\times 4 - 6i}

Using the formula

a² - b² = (a - b) (a + b)

Using in the above

= \frac{5 + 6i\times 4 - 6i}{(4)^{2} - (6i)^{2}}

= \frac{5\times 4-5\times 6i+6i\times 4-36\ i^{2}}{16 - 36(i)^{2}}

As i² = -1

= \frac{20-30i+24i+36}{16 + 36}

= \frac{56-6i}{52}

Therefore\ the\ simplified\ form\ of\ the\ \frac{5 + 6i}{4 + 6i}\ is\ \frac{56-6i}{52}.

Option (C) is correct .

8 0
3 years ago
Read 2 more answers
one orange and one apple cost 1.05, two oranges and three apples cost $2.75, how much do two apples cost?
Nimfa-mama [501]
If you would like to know how much do two apples cost, you can calculate this using the following steps:

o ... the cost of one orange
a ... the cost of one apple

1 * o + 1 * a = $1.05
2 * o + 3 * a = $2.75
_______________
o + a = 1.05 ... o = 1.05 - a
2 * o + 3 * a = 2.75
2 * (1.05 - a) + 3 * a = 2.75
2.1 - 2 * a + 3 * a = 2.75
a = 2.75 - 2.1
a = $0.65

o = 1.05 - a = 1.05 - 0.65 = $0.4

2 * a = 2 * 0.65 = $1.3

The correct result would be: Two apples cost $1.3.
5 0
3 years ago
It is given that R=2q-5 and Q=3p+2. Find the numerical value of R when p=3​
saveliy_v [14]

Answer:

R = 17

Step-by-step explanation:

R = 2q - 5

Q = 3p + 2

Find the numerical value of R when p = 3

R = 2q - 5

R = 2(3p + 2) - 5

R = 6p + 4 - 5

R = 6p - 1

When p = 3

R = 6(3) - 1

R = 18 - 1

R = 17

4 0
3 years ago
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