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polet [3.4K]
4 years ago
12

Hi can u guy help me plz

Mathematics
2 answers:
trasher [3.6K]4 years ago
8 0

Answer:

-3

Step-by-step explanation:

the minus symbol and negative 7 combine to make a positive so the equation will be -10 + 7 which will equal -3.

Rom4ik [11]4 years ago
3 0

Answer:

-3

Step-by-step explanation:a negitive and a minus make an addition sign so you replace the -(- with +

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Paige had $20 to spend on 6 pieces of candy. After buying the candy, she has $6.50 left. How much was each piece of candy?​
irga5000 [103]

Answer:

$2.25

Step-by-step explanation:

1. 20-6.50= 13.50

2. 13.50/6(pieces of candy) = $2.25

8 0
3 years ago
how many gallons of a 70% antifreeze solution must be mixed with 90gallons of 15% antifreeze to get a mixture that is 60% antifr
Alisiya [41]

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Add 315 gallons of 70% antifreeze to 90 gallons of 25% antifreeze to make a 60% mixture.

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3 years ago
When two lines intersect they form two pairs of opposite angles called?
tatuchka [14]

Hello, Katrina7!

Vertical angles are when two lines intersect they form two pairs of opposite angles.

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5 0
3 years ago
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SOMEBODY PLEASE HELP ME it’s due at 11:59
lapo4ka [179]

Answer:

c

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given: miles traveled and cost

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7 0
3 years ago
Convert x2 + y2 -4x = 0 to polar form.
Bingel [31]

Answer:

r(r-4\cos \theta)=0

Step-by-step explanation:

We are given the following equation:

x^2 + y^2 -4x = 0

We have to convert it into polar form.

We put

x = r \cos \theta\\y = r\sin \theta

Putting values, we get:

x^2 + y^2 -4x = 0\\(r\cos \theta)^2 + (r\sin \theta)^2 - 4(r\cos \theta) = 0\\r^2(\cos^2 \theta + \sin^2 \theta) - 4r\cos \theta = 0\\r^2 - 4r\cos \theta = 0\\r(r-4\cos \theta)=0

is the required polar form.

7 0
3 years ago
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