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Gala2k [10]
4 years ago
5

I don’t really understand this question Please help!!!

Mathematics
1 answer:
Nezavi [6.7K]4 years ago
6 0

what do you think it is talking about

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Surface Area of a Triangular Pyramid, please help!
8090 [49]

Answer:

surface area of the triangular pyramid

=(1/2×9×7.8)+(3×1/2×9×12.3)

=35.1+166.05

=201.15 inch²

5 0
3 years ago
The measure of the supplement of an angle is three times the measure of the
gtnhenbr [62]
<h2>Answer:</h2>

<h3><em>x=45degrees</em></h3>

<h2>Step-by-step explanation:</h2>

Let the angle to be solved be x

Let the supplement/compliment by y

x+y=90 Complimentary angles add up to 90 degrees.

x+3y=180 Supplementary angles add up to 180 degrees, the other angle is thrice the other compliment.

Evaluating this as a system:

x+y=90 Isolate x:

x=90−y Input into the other equation:

(90−y)+3y=180 Combine like terms, isolate y and its coefficients:

2y=90 Isolate y

y=45 Input into the first equation:

x+45=90 Isolate x:

x=45degrees

5 0
3 years ago
Write an inequality for the given statement: The sum of –18 and a number is more than 22.
tia_tia [17]
Let that number be 'x'

So the inequality will be
- 18 + x > 22

or x - 18 > 22

Hope This Helps You!
7 0
3 years ago
Money that is collecting interest in a bank account doubles in value every 10 years. When the account was opened, it had 16, or
Mrac [35]

The amount in dollars that is in the account after 50 years expressed in power is; 2⁹

<h3>How to apply the rule of exponents?</h3>

We are told that the money doubles in value after every 10 years.

When the account was opened it had 2⁴ dollars in it and after 50 years it has doubled 5 times. The doubling increased by a factor of 2⁵ and is now has a balance of 2⁴ × 2⁵.

Using the rule of exponents, we have;

2⁴ × 2⁵ = 2⁹

Read more about Rule of Exponents at; brainly.com/question/11761858

#SPJ1

6 0
2 years ago
How do you workout 7x-19&lt;16
laila [671]

Answer:

To work this problem out you would do it as if it were just a simple equation

7x-19<16 (you would first have to add 19 to both sides)

7x<35 (then you would divide by 7 to get the variable by itself)

x<5 ( you answer would then be 5)

Step-by-step explanation:

7 0
3 years ago
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