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Ostrovityanka [42]
4 years ago
13

Can someone help please?!

Mathematics
2 answers:
lukranit [14]4 years ago
8 0
What 2 numbers muliply to get -30 and add to get 7?
-3 and 10

(x-3)(x+10) is da answer

C is answer
Minchanka [31]4 years ago
4 0
X² + 7x - 30
x² + 10x -3x - 30
x(x+10) - 3(x+10)
(x-3)(x+10)

Answer is C
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Integers from 1 to 50
aivan3 [116]
...every number between 1 and 50 is an integer
6 0
3 years ago
what is the name of the first man going to the moon?what is the year the first man got to the moon? how old is he?
Brums [2.3K]

Answer: Neil Armstrong

Step-by-step explanation:

Year: July 20 1969

Age:38

5 0
3 years ago
Solve the linear inequality. <br> 5x-3(x+1)&lt;7
Bond [772]

The solution to the inequality 5x-3(x+1)<7 is x<5.

Step-by-step explanation:

Given inequality is;

5x-3(x+1)<7

Solving the inequality

5x-3x-3

Adding 3 on both sides both sides of inequality  

5x-3x-3+3

Dividing both sides of inequality by 2

\frac{2x}{2}

The solution to the inequality 5x-3(x+1)<7 is x<5.

Keywords: inequality, division

Learn more about division at:

  • brainly.com/question/11016712
  • brainly.com/question/11108818

#LearnwithBrainly

3 0
4 years ago
Ina two digit number, the units digit is twice the tens digit. If the number is doubled, it will be 9 more than the number rever
lukranit [14]

9514 1404 393

Answer:

  36

Step-by-step explanation:

Let the digits of the number be represented by t for the tens digit and u for the units digit.

  u = 2t . . . . . . . . the units digit is twice the tens digit

  2(10t +u) = (10u +t) +9 . . . . . double the number is 9 more than its reverse

Substituting for u, we have ...

  2(10t +2t) = 10(2t) +t +9

  24t = 21t +9 . . . . . . . . . . . collect terms

  3t = 9 . . . . . . . . . . . . . subtract 21t

  t = 3 . . . . . . . . . . . divide by 3

  u = 2t = 6 . . . . find u

The number is 36.

5 0
3 years ago
Rick ran for 3/4 hour on Wednesday for a distance of 4.2 miles. On Thursday, he ran for 1 hour at the same speed he ran on Wedne
Kay [80]

Answer:

Rick ran 5.6 miles on Thursday.

Step-by-step explanation:

Let's first find the speed Rick ran on Wednesday.

D=RT

4.2 = (3/4)R

R = 5.6 mph.

D=RT

D=(5.6 mph)(1)

D=5.6 miles

Let me know if this helps!

6 0
3 years ago
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