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olga2289 [7]
3 years ago
9

PLEASE HELP NOW IM IN A TEST CURRENTLY 14 POINTS

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
6 0

Answer:

kim kardashian

Step-by-step explanation:

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-4y=-20x+40<br> y+10=5x
mart [117]

Answer:

infinitely many solutions

Step-by-step explanation:

We want to find solution to the system:

-4y=-20x+40

y+10=5x

We make y the subject in the second equation to get;

y=5x-10

We substitute y=5x-10 into the top equation to get:

- 4(5x - 10) =  - 20x + 40

We expand to obtain;

- 20x  + 40=  - 20x + 40

This implies that:

40 = 40

Therefore the system has infinitely many solutions.

8 0
3 years ago
Mary Alice is trying to answer the question. How many siblings does each member of her 30 person Biology class have. What is the
VladimirAG [237]
B
The other answers wouldn't help that much. 
4 0
3 years ago
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△ABC and △JKL have corresponding equal angles. Side length BC is twice the length of side KL. Which statement is true? A. △ABC a
lyudmila [28]

Answer:

A. △ABC and △JKL are similar.

Step-by-step explanation:

Since three angles of one triangle are congruent to three corresponding angles of the other triangle, the triangles are either congruent or similar. Since the side of one triangle is twice the length of the corresponding side of the other triangle, then the triangles are not congruent, but they are similar.

A. △ABC and △JKL are similar.

6 0
3 years ago
Please answer question now
Kazeer [188]

Step-by-step explanation:

<em>Here</em><em>,</em>

<em>diameter</em><em>(</em><em>d</em><em>)</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>cylinder</em><em> </em><em>is</em><em> </em><em>1</em><em>6</em><em> </em><em>yd</em><em>.</em>

<em>radius</em><em> </em><em>of</em><em> </em><em>a cylinder</em><em> </em><em>is</em><em> </em><em>1</em><em>6</em><em>/</em><em>2</em><em> </em><em>yd</em><em>=</em><em> </em><em>8</em><em> </em><em>yd</em><em>.</em>

<em>height</em><em> </em><em>(</em><em>h</em><em>)</em><em> </em><em>of</em><em> </em><em> </em><em>a</em><em> </em><em>cylinder</em><em> </em><em>is</em><em> </em><em>1</em><em>8</em><em>yd</em><em>.</em>

<em>now</em><em>,</em><em> </em><em>we</em><em> </em><em>use</em><em> </em><em>formula</em><em> </em><em>for</em><em> </em><em>surface</em><em> </em><em>area of cylinder</em><em>, </em>

<em>a</em><em>=</em><em> </em><em>2.pi.r</em><em>(</em><em>r</em><em>+</em><em>h</em><em>)</em>

<em>or</em><em>,</em><em> </em><em>a</em><em>=</em><em> </em><em>2</em><em>×</em><em>3</em><em>.</em><em>1</em><em>4</em><em>×</em><em>8</em><em>(</em><em>8</em><em>+</em><em>1</em><em>8</em><em>)</em>

<em>by</em><em> </em><em>simplifying it we get</em><em>, </em>

<em>The</em><em> </em><em>surface</em><em> </em><em>area of cylinder</em><em> </em><em>is</em><em> </em><em>130</em><em>6</em><em>.</em><em>2</em><em>4</em><em> </em><em>sq.yd</em><em>.</em>

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

5 0
3 years ago
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What is the decimal equivalent to 6/11
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Answer:

0.54545454

Step-by-step explanation:


7 0
3 years ago
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