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slamgirl [31]
3 years ago
10

The ratio of chairs to tables in a classroom is 5:1 Which statement must be true? A There are 5 chairs and 1 table. B There are

5 chairs for every 1 table. C There are 5 more chairs than tables. D There are 5 more tables than chairs.
Mathematics
1 answer:
qaws [65]3 years ago
8 0

Answer:

B

Step-by-step explanation

5:1 means for every 1 table their is 5 chairs.

And for every 5 chairs there is 1 table.

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If △ABC is an isosceles triangle where AB¯≅AC¯, m∠A=(2x−20)°, and m∠B=(3x+5)°, then m∠C=__________°.
KengaRu [80]
Refer to the diagram shown below.

Because ΔABC is isosceles and AB = AC, therefore
m∠C = m∠B = (3x + 5)°

The sum of angles in a triangle is 180°, therefore
2(3x + 5) + 2x - 20 = 180
6x + 10 + 2x - 20 = 180
8x - 10 = 180
8x = 190
x = 23.75°

Therefore
m∠C = 3x + 5 = 3(23.75) + 5 = 76.25°

Answer: 76.25°

6 0
3 years ago
6n&gt;6<br> Solve for inequality
kirill [66]

Answer:

n>1

Step-by-step explanation:

usually, you can solve an inequality as if it were a regular equation. Just be aware of the instances where the inequality flips.

6 0
3 years ago
Question 3 of 10<br> Which graph shows the solution to this system of inequalities?<br> y&gt;2x-3
belka [17]

Step-by-step explanation:

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point (0,0)

plug into equation y<2x-3

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hope this helps

8 0
2 years ago
A store is offering 25% off all shoes. Declan purchases shoes and clothes. The expression representing his total cost (including
Greeley [361]

Answer:

(1-0.25)s

Step-by-step explanation:

5 0
3 years ago
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Answer:

2

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2

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