Can you please help me I do not know the meaning of these questions

Mathematics

2 answers:

Inessa [10]3 years ago

7 0

1 g
2 h
3 c
4 e
5 d
6 j
7 i
8 l
9 b
10 f
11 k
12 a

AleksandrR [38]3 years ago

5 0

1.adjacent angles
2.alternate exterior angles
3.alternate interior angles
4.supplementary angles
5.volume
6.surface area
7.perimeter
8.corresponding angles
9.congruent angles
10.complementary angles
11.circumference
12.area

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Suppose y varies directly with x. if y=-3 when x=5 find y when x=-1

Scrat [10]

$\bf \begin{array}{cccccclllll}
\textit{something}&&\textit{varies directly to}&&\textit{something else}\\ \quad \\
\textit{something}&=&{{ \textit{some value}}}&\cdot &\textit{something else}\\ \quad \\
y&=&{{ k}}&\cdot&x

&& y={{ k }}x
\end{array}
\\ \quad \\
\textit{we know that, when}
\begin{cases}
y=-3\\
x=5
\end{cases}\implies y=kx\implies (-3)=k(5)$

solve for "k", to find the "constant of variation",
then plug it back in the y = kx, to get the equation
now
what's is y when x = -1?
well, just plug that in the equation with the found "k" value,
to get "y" :)

3 0

2 years ago

Read 2 more answers

Please help me with this question!!

ziro4ka [17]

Your answer would be A.) False; either both are right or one is obtuse

Two acute angles added could never equal 180

Hope this helps!

5 0

2 years ago

There are 98,515 tress at Washington Park.If there are 85 acres of land,and the trees spread out evenly,how many trees are there

aksik [14]

To answer this all we need to do is DIVIDE.

98515 ÷ 85 = <span>1159

CHECK OUR WORK

1159 </span>× 85 = 98515
<span>
So, we were right!! :)

So, there would be 1159 trees on each acre.

Hope I helped ya!!

</span>

3 0

3 years ago

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Brittany has a gift box in the shape of a cube. Each side of the box measures 15 cm. what is the volume of the gift box?

miss Akunina [59]

The formula for the volume of a cube is:

v=s³

Where v=volume and s=the length of a side

Since we know that the length of a side of the gift box is 15cm, we can solve for the volume.

v=15³=3375cm³

Answer: V=3375cm³

7 0

2 years ago

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Find the slope and the y-intercept of the linear equation: y= -7x+2

saul85 [17]

Answer:

Slope = -7 and intercept = 2

Step-by-step explanation:

: y = -7x+2

Comparing with y = mx + c

Where m = slope and c = intercept

m = -7 and c = 2

7 0

3 years ago