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yKpoI14uk [10]
3 years ago
7

Solve for y please! 7x + 8y = -12

Mathematics
2 answers:
Nookie1986 [14]3 years ago
8 0
7x + 8y = -12
8y = -12-7x
y= -12-7x/8
simplest form:
= -19/8
= -2 3/8 or -2.357
Mrac [35]3 years ago
6 0

Step-by-step explanation:

7x + 8y = -12

8y=-12-7x

y=

\frac{ - 12 - 7 x}{8}

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The bases of the trapezoid are 6 and 10. The height is 4. Find the area.
kari74 [83]
<h2>Answer:</h2>

b. \ \boxed{32 \sq. \ units}

<h2>Step-by-step explanation:</h2>

A trapezoid is a quadrilateral where at least one pair of opposite sides are parallel. In a trapezoid, the both parallel sides are known as the bases of the trapezoid. So we have two bases, namely, b_{1}\,and\,b_{2}. Also, the height H of the trapezoid is the length between these two bases that's perpendicular to both sides. So the area of a trapezoid in terms of of b_{1},b_{2}\:and\:H is:

A=\frac{(b_{1}\text{+}b_{2})h}{2}

Since:

b_{1}=6, \ b_{2}=10, \ and \ H=4

The area is:

A=\frac{(6\text{+}10)4}{2}=\boxed{32 \sq. \ units}

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%3Cbr%3E%0Ay%3D%20x%5E%7B2%7D%20-9" id="TexFormula1" title="&amp;#10;y= x^{2} -9" alt="&amp;#1
svp [43]
Simple...

y=x^{2} -9

y= x^{2} -9

It's quite easy to see x^{2} = x^{2}

Thus, any value of x makes the equation true.

Thus, your answer.
7 0
3 years ago
HELP LAST ATTEMPT to ( get marked brainliest show work !
aleksley [76]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

As we know,

Area of parallelogram :

  • base \times height

  • 32.6 = 10.5 \times h

  • h =  \dfrac{32.6}{10.5}

  • h = 3.1047

  • h \approx3.1 \:  \: m
6 0
2 years ago
In PE class, Josiah and his friends had to measure their heights. They each
Otrada [13]

Answer:

D

Step-by-step explanation:

3 1/2 = 1 yard and 1/2 inch then a yard then 31 divided by 12 is 2.??

6 0
3 years ago
18) Find the area of the blue sector of the circle. Round to the nearest hundredth.
coldgirl [10]
I need a picture so i can help you out.
6 0
3 years ago
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