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Leno4ka [110]
3 years ago
14

7y + 4x - 10 + 5y - 5 + x

Mathematics
2 answers:
Lemur [1.5K]3 years ago
7 0

Answer:

hope it helps u

Step-by-step explanation:

7y + 4x - 10 + 5y - 5 + x

= 7y+5y+4x+x–10–5

= 12y+5x–15

galina1969 [7]3 years ago
7 0

Answer:

12y + 5x - 15

Step-by-step explanation:

7y + 4x - 10 + 5y - 5 + x

7y + 5y = (7 + 5)y = 12y

12y + 4x - 10 - 5 + x

4x + x  = 4x + 1x = (4 + 1)x = 5x

12y + 5x - 10 - 5

- 10 - 5 =  - (10 - 5) =  - 15

= 12y + 5x - 15

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Solve h(x)=x^2-2x-8>7
PIT_PIT [208]

Answer:

x < -3 and x > 5

Step-by-step explanation:

x² - 2x - 8 > 7

~Rewrite in standard form

x² - 2x - 15 > 0

~Factor

(x + 3)(x - 5) = 0

~Solve for both factors

x + 3 = 0

x = -3

x - 5 = 0

x = 5

Best of Luck!

7 0
3 years ago
Which of the following is a composite number? A. 91 B. 139 C. 13 D. 29
Nonamiya [84]
A composite number is a number that's not prime. A prime number is a number who only has 2 factors (1 and itself). A composite number has multiple factors.

For example;
7 is prime, as the factors of 7 are only 1&7.
14 is composite, as there are 4 factors (more than 2); 1&14, 2&7.

91 is composite, as it has the following factor pairs; 1&91, 7&13.

139 only has 1&19, making it prime.
13 only has 1&13, making it prime.
29 only has 1&13, making it prime.

Your answer is A.) 91.

I hope this helps!

5 0
3 years ago
Read 2 more answers
What is the rational number equivalent to 3.12 repeated
alisha [4.7K]
3.12...... equal 3 12/99 or 3 4/33. As a result, the final answer will be 103/33. Hope it help!
8 0
3 years ago
Priya tried to solve an equation step by step. \qquad\begin{aligned} \dfrac f{0.25}&amp;=16\\\\ \\ \dfrac{f}{0.25} \cdot0.25&amp
Zarrin [17]

Answer:

f=4

Step-by-step explanation:

Priya Tried to solve the equation below step-by-step:

\qquad\begin{aligned} \dfrac f{0.25}&=16\\ \dfrac{f}{0.25} \cdot0.25&=16\cdot0.25&\green{\text{Step } 1}\\  f&=4&\blue{\text{Step } 2}\\\end{aligned}

The steps are correct and indeed f=4.

7 0
3 years ago
Read 2 more answers
1. Calcular las siguientes divisiones:<br>a. (+20)/(+2)<br>​
zzz [600]

this picture will explain you

the answer is 10

5 0
2 years ago
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