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sammy [17]
3 years ago
10

If angle a measured 55 degrees then,how much does angle b measure?

Mathematics
1 answer:
Yanka [14]3 years ago
7 0

Answer:

35 degrees

Step-by-step explanation:

Complementary angles make up 90 degrees.

1 angle is 55 degree so next angle =

90 - 55 = 35

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Which expression is equivalent to 8a +14
andrey2020 [161]

Answer:

2(4a + 7)

Step-by-step explanation:

2 to the 4 and 7

This would give you 8a + 14 because 2 times 4 is 8,  and 2 times 7 is 14.

<em><u>Hope this helps.</u></em>

8 0
3 years ago
Read 2 more answers
Select the two values of x that are roots of this equation.<br> 2x+11x+15= 0
Amiraneli [1.4K]

Answer:

The roots of the equation are x=-3 and x=-2.5

Step-by-step explanation:

<u><em>The correct quadratic equation is</em></u>

2x^2+11x+15=0

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

2x^{2} +11x+15=0  

so

a=2\\b=11\\c=15

substitute in the formula

x=\frac{-11(+/-)\sqrt{11^{2}-4(2)(15)}} {2(2)}

x=\frac{-11(+/-)\sqrt{121-120}} {4}

x=\frac{-11(+/-)\sqrt{1}} {4}

x=\frac{-11(+/-)1} {4}

x_1=\frac{-11(+)1}{4}=-2.5

x_2=\frac{-11(-)1}{4}=-3

therefore

The roots of the equation are x=-3 and x=-2.5

5 0
3 years ago
Mrs. Thaxton saved $700.00 to take her four grandchildren shopping. Her grandchildren are between the ages of 5 and 11. If Mrs.
anyanavicka [17]

Answer:

240

Step-by-step explanation:

115x4=460

700-460=240

8 0
3 years ago
Help !!! with 14 please :))
BartSMP [9]
Since p is an obtuse angle 
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3 0
3 years ago
Express rational number in standard form: -216/144​
VladimirAG [237]

Answer:

<h2>\frac{ - 3}{2}</h2>

Step-by-step explanation:

\frac{ - 216}{144}  \\  \\  =  \frac{ - 3}{2}

<h3>Hope it is helpful....</h3>
4 0
3 years ago
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