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saveliy_v [14]
3 years ago
10

-(8-2a)=

(8 - 2a) = " align="absmiddle" class="latex-formula">
more math help please
Mathematics
1 answer:
MAXImum [283]3 years ago
7 0
Distribute the negative.

- 8 - 2a =

Factor out -2

-2 ( 4 + a)

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What type of triangle has side lengths 4, 4 squared 15, and 16?
zloy xaker [14]

Answer:

acute triangle

because you have 2 tall sides and 1 short

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2 years ago
Which of the following best shows the associative property of multiplication?
Marizza181 [45]

Answer:

(4 × 3) × 6 = 4 × (3 × 6) shows the Associative Property of Multiplication.

8 0
3 years ago
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The stock of Company A gained $1.86 throughout the day and ended at a value of $94.86. By what percentage did the stock rise
Firlakuza [10]

Answer:

tTe answer is 1.96%

Step-by-step explanation:

given data

change in price/gain= $1.86

the closing price = $94.86

Required.

The percent rise.

Step two:

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=change/close price*100

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= 1.86/94.86*100

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4 0
3 years ago
PLEASE HELP NEED THE ANSWER IMMEDIATELY!
vesna_86 [32]

\textsf{\qquad\qquad\huge\underline{{\sf Answer}}}

Volume of a rectangular prism is ~

\sf{Volume_{cuboid}= Length × Width × Height}

\qquad \sf  \dashrightarrow \: v = (4x + 2) \times (3x - 5) \times (7x + 4)

\qquad \sf  \dashrightarrow \: v = (12 {x}^{2} - 20x + 6x - 10) \times (7x + 4)

\qquad \sf  \dashrightarrow \: v = (12 {x}^{2} - 14x- 10) \times (7x + 4)

\qquad \sf  \dashrightarrow \: v = 84 {x}^{3}  + 48 {x}^{2}  - 98x {}^{2}  - 56x - 70x - 40

\qquad \sf  \dashrightarrow \: v = 84 {x}^{3} - 50 {x}^{2}  -  126x - 40

So, the correct choice is B

7 0
2 years ago
Find the surface area of each figure to the nearest tenth.
Stells [14]
For the cylinder on the left-hand-side,

\bf \textit{surface area of a cylinder}\\\\
S=2\pi r(h+r)\quad 
\begin{cases}
r=radius\\
h=height\\
------\\
h=10\\
r=5
\end{cases}\implies S=2\pi (5)(10+5)

now, for the triangular prism on the right-hand-side,

notice is really just 2 triangles and 3 rectangles, stacked  up to each other at the edges.

the triangles have a base of 4, and a height of 1.5.

the rectangle on the left and the one on the right is a 6x2.5 rectangle.

the rectangle at the bottom, is a 4x6 rectangle.

adding their areas, is the area of the prism,

\bf \stackrel{two~triangles}{2\left[\cfrac{1}{2}(4)(1.5)  \right]}+\stackrel{left-right~rectangles}{2(6\cdot 2.5)}+\stackrel{bottom~rectangle}{4\cdot 6}
\\\\\\
6~~+~~30~~+~~24
7 0
3 years ago
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