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3 years ago

11

There are 92 folding chairs in all. How many rows of 8 chairs each can be formed? How

1 answer:

OleMash [197]3 years ago

5 0

Answer:

There will be total 11 rows having 8 chairs in each and 4 chairs will be left over.

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A2 + b2 = n2 because of the

Nataly_w [17]

Phytagorean Theorem i think

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2 years ago

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1.) What is the measure of ∠K, to the nearest degree?

lora16 [44]

We know that
the law of sines establish
a/sin A=b/sin B

problem N 1

50/sin K=53/sin 76-------> 50*sin 76=53*sin K-----> sin K=50*sin 76/53
sin K=0.9154
K=arc sin (0.9154)--------> K=66.25°------> K=66°

the answer problem N 1 is the option
<span>c.) 66°
</span>
Problem N 2

30/sin R=35/sin 69------> sin R=30*sin 69/35-----> sin R=0.8002
R=arc sin(0.8002)-------> R=53.15°-----> R=53°

the answer problem N 2 is the option
<span>b.) 53°</span>

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3 years ago

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(-9x - 4) - (4x2 + 2x - 7)

yaroslaw [1]

Answer:

I assume you meant 4x^2

So the answer in simplified form is -4x^2-11x+3

6 0

3 years ago

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Name the property used to solve the problem. 7(4x+20)=28x+140 (7∗4x)+(7∗20) 28x+140

ANTONII [103]

Answer:

I think this is how u spell it

Step-by-step explanation:

Disturbtive

7 0

3 years ago

Need help asap The answer is 100 or 126

Serga [27]

Answer:

The surface area of the cone is 126π cm².

Step-by-step explanation:

The surface area of a cone can be found using this formula:

$\text{SA} = \pi r ^2+\pi r l$
where r = radius and l = slant height

In this problem, we are told that the cone has a radius of 9 cm and a slant height of 5 cm.

Substitute these values into the formula for the surface area of a cone.

$\text{SA}= \pi (9)^2+ \pi(9)(5)\\$
$\text{SA}= \pi (81)+ \pi(45)$
$\text{SA}= 126 \pi$

The surface area of the right cone is 126 π cm².

6 0

2 years ago