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anzhelika [568]
3 years ago
6

A lab student measures the mass of a piece of lead to be 13.87 g. She then places the????? help 74-12x=? help!!!!!!!!!!!!!!!!!!!

!!
Mathematics
1 answer:
kipiarov [429]3 years ago
7 0

Answer:

Getting my points back that u took by spamming.

Step-by-step explanation:

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ashley is baking a cake shaped as a right triangle. Two of the angles are measurement of 5x and 10x. What is the value of x?
DENIUS [597]

Answer:

A. 6

Step-by-step explanation:

Since, cake is of right triangled shape, so measure of its one angle would be 90° and the sum of the measures of the remaining two angles will also be equal 90°.

Therefore,

5x +10x = 90

15x = 90

x = 90/15

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8 0
3 years ago
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If 3 tons of flower bed mulch cost $480, what is the price per pound?
Goshia [24]
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6 0
3 years ago
Is the given number a solution of the equation?<br> 8=2+3; 10
kykrilka [37]

Answer:

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Step-by-step explanation:

8 doesn't equal 0 on the very right, which means it's not a solution to the equation.  So therefore, it is false based on the equation.

7 0
3 years ago
X^2+y^2+14x+10y=7 <br> center and radius
Sholpan [36]
(x-a)^2+(y-b)^2=r^2\\\\(a;\ b)-the\ coordinates\ of\ the\ center\\r-the\ radius\\\\==================================\\Use:(k+l)^2=k^2+2kl+l^2\ (*)\\==================================

x^2+y^2+14x+10y=7\\\\x^2+14x+y^2+10y=7\\\\x^2+2x\cdot7+y^2+2y\cdot5=7\\\\\underbrace{x^2+2x\cdot7+7^2}_{Use\ (*)}-7^2+\underbrace{y^2+2y\cdot5+5^2}_{Use\ (*)}-5^2=7\\\\(x+7)^2-49+(y+5)^2-25=7\\\\(x+7)^2+(y+5)^2-74=7\ \ \ \ |add\ 74\ to\both\ sides\\\\(x+7)^2+(y+5)^2=81\\\\(x+7)^2+(y+5)^2=9^2

Answer:\\\boxed{(-7;-5)-center;\ 9-radius}
8 0
3 years ago
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Write the equation of the line that passes through the points (0,2) and (-1,-1):
slava [35]

Answer:

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y = 3 * (x - 0) + 2

y = 3 * x + 2

6 0
3 years ago
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