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Lelechka [254]
3 years ago
13

Plz help :)))))))

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0

Answer:

155

Step-by-step explanation:

a triangle all add up is 180

subtract 180  from 65

180-65=155

x=155

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Write the equations for 74,2 and 49
serious [3.7K]

Answer:

x+10y=94

Step-by-step explanation:

Assuming we want to find the equation (74,2)  and (4,9)

This is an equation of a straight.

Let this equation be y=mx+b.

m=\frac{9-2}{4-74} =-\frac{1}{10}

We substitute the slope  and (4,9) to get:

y-9=-\frac{1}{10}(x-4)

We  rewrite in standard form to get:

x+10y=94

5 0
3 years ago
G=-4x-4, solve for x
Snowcat [4.5K]

Answer:

G = -4x - 4

x = -1

Step-by-step explanation:

step 1: flip your equation and turn G into zero

ex: -4x - 4 = 0

step 2: add 4 to both sides

ex: -4x - 4 + 4 = 0 + 4   (-4x = 4)

step 3: divide both sides by -4

ex: -4x/-4 = 4/-4   (x = -1)

step 4: plug -1 into x then solve to check your answer

ex: -4(-1) - 4 = 0

4 - 4 = 0

0 = 0 (when this says 0 = 0 then that means your answer is always true)

4 0
3 years ago
Find the area of a circle with a diameter of 1.5 m.<br><br><br> 4.71 m2<br><br><br> 1.77 m2
nikdorinn [45]
I hope this helps you



radius=diameter/2



radius=1,5/2


radius=0,75


Area=pi. r^2


Area=3,14. (0,75)^2


Area=1,76
7 0
3 years ago
Suppose that the grade 7 students expect to sell between 100 and 150 hot dogs how many packages of 12 wieners and 8 buns should
Yuri [45]
15 packs of buns and 10 packs of wieners. 8x15=120 and 12x10=120 so if you make all the hot dogs you will have no buns or hot dogs remaining. I hope this helps you out :)
5 0
3 years ago
What is the answer to 1/5 of 55?
dusya [7]
1/5 of 55=55/5= 11. Hope that helps. ((:
6 0
3 years ago
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