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3 years ago

Please explain I'm really confused

Mathematics

1 answer:

castortr0y [4]3 years ago

8 0

Sine is the opposite to the hypotenuse
so if sinA=0.6, suppose the opposite is 6, the hypotenuse is 10
now find the other leg by using a²+b²=c²: 6²+b²=10², b=8
sinB=8/10=0.8

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Tallulah has 40 dimes and some nickels. The total value of her change is $5.00. How many nickels does Tallulah have?

Verdich [7]

40 dimes is $4.00. you would need $1 in nickles. 2 nickles is 10 cents. so you would need 20 nickles.

10x+160=300
-160 -160
10x=140
divide both sides by 10
x=14
$14

8 0

3 years ago

Read 2 more answers

I need to increase my sales by 35% in order to meet my goal for the month you currently have 45 sales and you will need to get b

cluponka [151]

Answer:

61 sales

Step-by-step explanation:

First find the increase

45 * 35%

45*.35

15.75

Add this to your sales

45+15.75

60.75

Since you cannot have part of a sale, round up

61 sales

6 0

3 years ago

The distance from your house to the park is represented by the expression "5x + 4 more than 2 − 2x." The distance from the park

Neko [114]

Answer:

The distance from the house to the school is equal to $(4x-2)$

Step-by-step explanation:

Let

A-----> the distance from house to the park

B----> the distance from the park to the school

C----> the distance from house to the school

$C=A+B$

we know that

$A=(2-2x)+(5x+4)$

$B=(3x-10)-(2x-2)$

Find the the value of C

$C=(2-2x)+(5x+4)+(3x-10)-(2x-2)$

$C=(4x-2)$

therefore

The distance from the house to the school is equal to $(4x-2)$

6 0

3 years ago

Which table does NOT represent a function please hurry it’s urgent Thank you

Damm [24]

I think it is C sorry if i am wrong but i am confident

6 0

3 years ago

Find the greatest common factor of the following monomials: 20a3 and 8a2

dimulka [17.4K]

GCF of given monomials are $4a^2$

Solution:

Given that we have to find the greatest common factor

Given monomials are:

$20a^3 \text{ and } 8a^2$

When we find all the factors of two or more numbers, and some factors are the same, then the largest of those common factors is the Greatest Common Factor

Let us first find the GCF of 20 and 8 and then find GCF of variables and then multiply them together

GCF of 20 and 8:

The factors of 8 are: 1, 2, 4, 8

The factors of 20 are: 1, 2, 4, 5, 10, 20

Then the greatest common factor is 4

$GCF\ of\ a^3 \text{ and } a^2\\\\a^3 = a^2 \times a\\\\a^2 = a^2$