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Zarrin [17]
2 years ago
12

Hello can you help?

Mathematics
1 answer:
STatiana [176]2 years ago
6 0

Answer:

45 65 70

Step-by-step explanation:

A triangle's angles all add up to 180

The first option adds up to 180.

The second object adds up to 360.

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Which is the completely factored form of 3xsquared<br> -12x-15?
tekilochka [14]

Answer:

3(x - 5)(x + 1).

Step-by-step explanation:

3x^2 - 12x - 15

Dividing through by 3:

= 3(x^2 - 4x - 5)

We need 2 numbers whose sum is -4 and whose product = -5. That is -5 and +1 , so the factors are:

3(x - 5)(x + 1).

7 0
3 years ago
First 5 multiples of 7
GarryVolchara [31]

Answer: 0, 7, 14, 21, and 28

Step-by-step explanation: To find the first 5 multiples of 7, multiply 7 by the first 5 whole numbers which I have done for you in the image attached.

To quickly review, the set of whole numbers are shown below.

{0, 1, 2, 3, 4, ...}

The numbers that I have highlighted in green will be your first 5 multiples.

7 0
3 years ago
What percent of 3,000 is 18
neonofarm [45]

Answer: 0.6%

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Which is equal to 100%?<br> O A 0.001<br> B.<br> 100<br> O c. 0.1<br> 10<br> 10<br><br> Need ASAP
Phoenix [80]

Answer:

100% equals to 1 because 75% = 0.75 so then just add 25% = 0.25 so 0.25+0.75=1

Step-by-step explanation:

7 0
3 years ago
① 5J+2S =12.20 ② 5J+ 10S =15.80 elimination method
hram777 [196]

Answer:

<h2>S = 9/20</h2><h2>J = 113/50</h2>

Step-by-step explanation:

5J +2S =12.20 ........(1)\\5J+10S=15.80......(2)\\Multiply \:equation \:(1)\:by\:the\:coefficient\:of\:x\:in equation\:(2)\\\\Multiply\:equation(2)\: by\: the\: coefficient\:of \:x\: in \:equation (1)\\\\5J +2S =12.20 ........(1) \times 5\\5J+10S=15.80......(2)\times 5\\\\25J+10S=61......(3)\\25J+50S = 79......(4)\\Subtract\:equation\:(4)\:from\: equation\: (3)\\-40S =-18\\\frac{-40S}{-40}=\frac{-18}{-40}\\  S = 9/20\\

Substitute \:9/20\:for \:x \:in\:equation\:(1)\:or \:equation\:(2)\\5J+2S = 12.20\\5J +2(9/20) =12.20\\5J +9/10=12.20\\5J=12.20-9/10\\5J=113/10\\Cross-Multiply\\50J = 113\\J = 113/50

4 0
3 years ago
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