MATHEMATICS HIGH SCHOOL

Combine like terms. 9 + 3x – 9x + 16a. 18x + 3x + 16
b. 19x
c. 25 – 6x
d. 3x + 16

Answers

Answer 1
Answer: 9 + 3x - 9x + 16
Like terms are terms that have the same variable and powers.

9 and 16 are like terms. They don't have any other variables and can easily be solved.

9 + 16 = 25

3x and -9x are like term. They both have the same variable and powers, x. The coefficients, 3 an d-9, don't have to match as long as the variable and powers are the same.

3x - 9x = -6x

9 + 3x - 9x + 16 ⇒ 25 - 6x Choice C.

 
Answer 2
Answer:

3x and -9x are like term. They both have the same variable and powers, x. The coefficients, 3 an d-9, don't have to match as long as the variable and powers are the same.

3x - 9x = -6x

9 + 3x - 9x + 16 ⇒ 25 - 6x Choice C.

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Please help!!!!!!!!!!If f(x) varies directly with x2 and f(x)=10 when x=−4 , what is the value of f(x) when x = 3?−14.4−5.6255.62514.4

Pls help me my class ends soon, i’ll give brainliest

Answers

Answer:

D

Step-by-step explanation:

First of all, she wants to INCREASE her steps per day. A, B, and C all have the same number of steps or fewer steps. I can further prove that the answer is D because if she stars walking 10 extra steps per day, 10 times 100 = 1000 and 5000 + 1000=6000. Please correct me if I am wrong because everybody makes mistakes sometimes. Also, thanks so much for giving me brainiliest!      

Edit: If I was helpful to you, please take a shot at my puzzle that's due Monday.      

It is worth 100 points and would mean a lot to me if you could try and solve it. Good luck! Here is the link: brainly.com/question/19021808        

Factor x2 + 11x + 24A. (x + 6)(x + 4)
B. (x + 2)(x + 12)
C. (x + 3)(x + 8)
D. (x + 1)(x + 11)

Factor 2m2 + 27m + 70

A. (2m + 7)(m + 10)
B. (m + 10)(2m + 7)
C. (2m + 3)(m + 20)
D. (2m + 7)(m – 10)

Factor g2 – 64

A. (g – 1)(g + 64)
B. (g + 8)(g – 8)
C. (g – 8)(g – 8)
D. (g + 8)(g + 8)

Factor 49t2 – 9

A. (7t + 3)(7t + 3)
B. (7t + 3)(–7t – 3)
C. (7t + 3)(7t – 3)
D. 7t – 3

The area of a rectangular field is given by the trinomial t2 – 4t – 45. The length of the rectangle is t + 5. What is the expression for the width of the field?

A. t – 9
B. t – 5

Answers

Hello,

1) x²+11x+24=x²+8x+3x+24=x(x+8)+3(x+8)=(x+8)(x+3) ANSWER C

2)2m²+27m+70=2m²+20m+7m+70=2m(m+10)+7(m+10)
=(m+10)(2m+7) ANSWER A

3)g²-64=(g-8)(g+8) ANSWER B

4) 49t²-9=(7t-3)(7t+3) answer C

5)
t²-4t-45=t²+5t-9t-45=t(t+5)-9(t+5)=(t+5)(t-9)

l=t+5
==>w=t-9
answer A

There are 4 fewer shovels than rakes. There are 6 shovels . How many rakes are there? Show your work.Can someone help me thank you

Answers

Answer:

10

Step-by-step explanation:

s= shovels=6

r= rakes= 6 + 4

Because 10 - 6= 4

(i hope this helped)

If x and y are integers, and 3x + 2y = 13, which of the following could be the value of y ?A. 0
B. 1
C. 2
D. 3
E. 4

Answers

They are all integers so...
first lets substitute
A.3x=13
X=13/3
b.3x+2=13
3x=11
x=11/3
c.3x+4=13
3x=9
x=3
d.3x+6=13
3x=7
x=7/3

E.3x+8=13
3x=5
x=5/3

therefore the possible is letter c because it must be an integer and the definition of integer states that it is not a decimal nor a fraction
C. 2
Because
3x+2(2)=13
3x+4=13
3x=9
x=3

None of the other solutions work out so that both x and y are integers.

What is 14,000,000 in scientific notation?

Answers

Your final answer is 1.4 × 10 to the power of 7.

If names a major arc of a circle, then must be a minor arc. True or false?

Answers

Answer: The answer is true.


Step-by-step explanation:  We are to check whether a major arc of a circle is also minor arc or not.

In the attached figure, A major arc AB is drawn on a circle with centre 'O'. The, we can easily see from there that the major arc AB corresponds to another arc AB which is smaller in length than the major arc AB.

This smaller arc is called the minor arc AB. This explains the existence of a minor arc whenever there is a major arc on a circle.

Thus, the given statement is true.
A major arc of a circle is an arc of a circle having a measure greater than nor equal to it s minor arc. So in your statement that states that the minor arc is a major arc and that would be True. I hope you are satisfied with my answer and feel free to ask for more 
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