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Digiron [165]
3 years ago
8

Which is the cosine ratio of ∠A?

Mathematics
1 answer:
omeli [17]3 years ago
4 0

Answer:

d . 19528

Step-by-step explanation:

maaf jika salah

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Jacob earns $19.00 for walking 4 dogs. How much money would he earn for walking 7 dogs? Walking 8 dogs? 1 dog?
VMariaS [17]

Answer:

$19.00 = 4x

Divide 4 on both sides

4.75 = x He ears $4.75 for one dog

$4.75(x)

$4.75(7 dogs)

= $33.25

--------------

$4.75(x)

$4.75(8 dogs)

= $38

7 0
3 years ago
Helpp, since this question is a bit hard, ill give brainliest and 20 pts.
Morgarella [4.7K]

Step-by-step explanation:

A. When dealing with large numbers, sometimes it's easier to write them in a form of exponents of number ten. The value of the exponent shows how many times we multiply 10 by itself. That means that 10^3 is 10•10•10 or that 10^6 is 10•10•10•10•10•10.

So, when finding how many times on number is greater then the other, we need to divide them. We divide 8x10^6 by 2x10^5. It is done by dividing the numbers and subtracting the exponents; 8/2=4 and 10^6/10^5 is 10^6-5=10^1. So the correct answer is 4x10^1 which is 4x10, and that is 40.

B. Now, we have a total number of coins (2.25x10^5), and diametar of a coin (19mm = 19x10^-6km). Our task is to calculate the distance across which the coiks laid side-by-side would expand. We can find this by multiplying the number of coins with a diametar of single penny, 2.25x10^5•19x10^-6. Multiplying is done by multiplying the numbers (2.25x19=42.75) and adding the exponents (5+(-6)=5-6=-1). So, the distance is 42.75x10^-1km, which equals to 4.275 km. Obviously, this is less then the stated 5 km given in the text, so the reportet's statement is false.

5 0
3 years ago
The equation 3x + 2 = 29 is modeled below.
DanielleElmas [232]

Answer:

Subtract 2 from both sides.

Step-by-step explanation:

Remember to do the opposite of PEMDAS. PEMDAS is the order of operation, and stands for:

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

> Also, note the equal sign, what you do to one side, you do to the other side of the equation.

First step is to subtract 2 from both sides of the equation:

3x + 2 (-2) = 29 (-2)

3x = 29 - 2

3x = 27

The second step is to divide 3 from both sides of the equation:

(3x)/3 = (27)/3

x = 27/3

x = 9

~

7 0
3 years ago
Read 2 more answers
What is the value of x?
artcher [175]
By Sine Rule,

x/sin30° = 8/sin90°

x/0.5 = 8/1

So x = 4.
8 0
3 years ago
Read 2 more answers
Molly purchased 7 apples for $3.96. while looking at her receipt, Molly divided three $3.96 by 7. why might Molly perform this c
enot [183]
So she could figure out the price of each apple was.
6 0
3 years ago
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