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Zina [86]
3 years ago
7

Plsssss help I need this done will mark you brainliest

Mathematics
1 answer:
Greeley [361]3 years ago
5 0

Answer:

x = ± \sqrt{10}

Step-by-step explanation:

Given

5 - 2x² = - 15 ( subtract 5 from both sides )

- 2x² = - 20 ( divide both sides by - 2 )

x² = 10 ( take the square root of both sides )

x = ± \sqrt{10} ← exact solutions

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What are the x-intercept and y-intercept of the graph of y=13x−6 ?
mestny [16]

Answer:

x intercept is 6/13

y intercept is -6

Step-by-step explanation:

x intercepted when y is zero.

y intecepted when x is zero...

3 0
3 years ago
Please help me with this i don’t understand much
Alexus [3.1K]

Answer:

See below

Step-by-step explanation:

Three lengths will be a triangle only if the sum of two sides is greater than the third side.

19+11 > 17

This is a triangle.

23+28> 52\\51>52\\51 \ngtr 52

This is not a triangle.

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8 0
3 years ago
Coach Smith went to the sporting goods store to get ready for tennis season. He bought 25 containers of tennis balls and 12 pack
sesenic [268]

Answer:

C

Step-by-step explanation:

143.75+ tax(7.1875)= 150.9375 <-- Tennis Ball Containers

30+ tax(1.5)= 31.5 <-- Packs of Grip Tape

150.9375+31.5= 182.4375

This can be rounded up to 182.44 (which is your final answer)

5 0
3 years ago
PLEASE HELP ASAP
muminat
Last month, she had 100.....this month, 30 new members joined and 10 cancelled....thats basically the same as saying 20 new members joined...so there are now 120 members...at 10 per subscription = 120(10) = $ 1200 <=
7 0
4 years ago
Please help me!!!!!!!
Mila [183]

Answer:

I not sure this 76.5

Step-by-step explanation:

9cmx17cm=156/2=76.5

Then 76.5/2= 39

I hope this helpful for you.... Sorry....

5 0
3 years ago
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