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ella [17]
3 years ago
7

Can anyone please help me with these math problems I need it for tomorrow

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
3 0
I hope this helps!

25 is 7.8
26 is 8.3
27 is 14.5
28 is yes, they both ran the same distance because 7×5 is equal to 5×7. They both equal 35. So, both ran the same distance.
sertanlavr [38]3 years ago
3 0
For the 1st one it would be 7.8. This is because 7+0=7 and then adding a decimal when it is 0.8 as in your problem you add the 8 to the end not the beginning. The second one is 8.3 because anytime you multiply by 1 you get the same number. For the third problem you add what is in the parentheses  because in PEMDAS you always start with parentheses. So, 4+7=11. Next, you will add 11 and 3.5 which is 14.5. I hope this helps!
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WITCHER [35]
n - 8 < -8

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n < -8 + 8
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7 0
3 years ago
C(x)=x^2+6x+14 find vertex form
nalin [4]

Answer:

c(x)=(x+3)^2+5

Step-by-step explanation:

To complete the square, the same value needs to be added to both sides.

So, to complete the square x^2+6x+9=(x+3)^2 add 9 to the expression

C(x) =x^2 +6x + 9 + 14

Since 9 was added to the right-hand side also add 9 to the left-hand side

C(x) +9= x^2 +6x + 9 + 14

Using a^2 + 2ab + b^2=(a+b)^2, factor the expression

C(x)+9= (x+3)^2 +14

Move constant to the right-hand side and change its sign

C(x)=(x+3)^2 +14 - 9

Subtract the numbers

C(x)= (x+3)^2 +5

6 0
3 years ago
What is 2M? <br> Is anyone good at Matrices?
goldenfox [79]

Answer:

It's the first one

Step-by-step explanation:

Because 2M means you are multiplying all the values of M with 2

3 0
3 years ago
Find the missing value in the table.
dimulka [17.4K]

Answer:

we're just multiplying X × 2 every time so (y=80)

7 0
3 years ago
The radius of a circle is 10. Using π, which equation expresses the ratio of the circumference of the circle to the circle's dia
aleksley [76]

The ratio of circumference to diameter is independent of the radius.



Defining C=circumference, r=radius, D=diameter =  2r



Circumference = C = 2 &pi; r = &pi; D  


=> 


ratio of circumference / diameter


= C/D = &pi;

7 0
4 years ago
Read 2 more answers
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