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g100num [7]
3 years ago
10

What number must you add to complete the square? x2 + 4x = 15 A. 16 B. 4 C. 2 D. 8

Mathematics
1 answer:
Scilla [17]3 years ago
8 0
B. 4 because 4/2=2, 2 squared is 4
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Four less than the product of a number and 7 is eight more than that number
AveGali [126]

Answer:

i did a wild guess and i got  the answer is 2

Step-by-step explanation:

2*7=14

14-4=10  

10-2=8

8 0
3 years ago
a 2-month membership to the gym cost $125 jim would like to be a member for 8 months what is the total amount he will pay for 8
Natasha2012 [34]

Answer:

500

Step-by-step explanation:

125 x 4

8 0
3 years ago
How do I find the x and the y
mart [117]

Answer:

x = 22

y = 35

Step-by-step explanation:

Because its an isosceles triangle, you know the base angles are equal so:

3x - 11 = 2x + 11

Solving:

subtract 2x from both sides

x-11=11

add 11 to both sides

x = 22

Next, find the angle measures of the two base angles:

3*22-11\\66-11\\55

To find y, you know that the interior angles of the whole triangle add up to 180, so you have

55 + 55 + 2y = 180

solving,

110 + 2y = 180

subtract 110 from both sides

2y = 70

divide both sides by 2

y = 35

3 0
3 years ago
Read 2 more answers
I need a helping hand
skelet666 [1.2K]

Answer:it’s the third one

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
How many 7 digit phone numbers are there assuming the first digit can't be a 0 or a 1?
Anettt [7]
The first digit can be any one of the numbers 2-9 That a total of 8 numbers.

The next 6 digits can be any permutation of 6  from the numbers  0 to 9.
(10 numbers)

nPr  =  n! / r!

so here we have  10P6  = 10! / 6!  =  10*9*8*7  =  5040

So final answer  is 8 * 5040 = 40,320
7 0
3 years ago
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