A variable needs to be eliminated to solve the system of equations below.
Choose the correct first step.
-10x + y = 64
-10x + 5y = 40

Answer:

17 and 59

Step-by-step explanation:

90-75=17 first one

180-121=59 second one plz give me brainnessttttt pllzzzz

Hey there!

So the first angle is a complementary angle, meaning that two angles put together will equal 90 degrees. Since we already know that one angle is 75 degrees, all we need to do is 90-75 and we get 15 degrees, which is the value of the missing angle.

The second angle is a supplementary angle, which means two angles equal 180 degrees. Since we know that one angle is 121 degrees, we can take that and subtract is from 180 degrees to get 59 degrees, which is the value of the missing angle.

Remember:

A complementary angle is made of up TWO angles that add up to 90 degrees.

A supplementary angle is made up of TWO angles that add up to 180 degrees.

I hope this helped!!!

Answer:

-2+4x+5x^2

Step-by-step explanation:

add together what can be added together

x and 3x

-4 and -2

and 5x^2 all by itself

Answer:

6 and 7

Step-by-step explanation:

To evaluate f(3), substitute x = 3 into f(x) , that is

f(3) = 2(3) = 6

To evaluate g(f(3)), substitute f(3) = 6 into g(x)

g(6) = 6 + 1 = 7

Answer:

15 years

Step-by-step explanation:

Given data

P=$1,000

R=8%

A= $2200

I= A-P

I=2200-1000

I=$1200

Applying the formula

I=PRT/100

1200=1000*8*T/100

cross multiply

1200*100= 8000T

120000= 8000T

divide both sides by 8000

T=120000/8000

T=15  years

Hence the time is 15 years

Answer:

5.

Step-by-step explanation:

7(q + 7) = 5q + 59

7q + 49 = 5q + 59

7q - 5q = 59 - 49

2q = 10

q = 5.

Answer:

It's the chemical because they have to work with dangerous stuff.

The probability that a randomly selected voice-controlled television is also connected to the internet is 0.69.

Option C is correct.

Probability refers to potential. A random event's occurrence is the subject of this area of mathematics.

The range of the value is 0 to 1. Mathematics has incorporated probability to forecast the likelihood of various events.

The degree to which something is likely to happen is basically what probability means.

let P(V) is the probability of selecting a voice controlled television

and, P(I) is the probability that a selected television is connected to the internet.

So, the probability that a randomly selected voice-controlled television is also connected to the internet

P(I|V) = P(I ∩ V)/P(V)

P( I ∩ V) = 22%

P(V) = 32%

So, P(I|V) = 22%/32% = 0.6875

Learn more about Probability here:

https://brainly.com/question/20145085

#SPJ7

Answer:

The answer is 7x^3 - 8x^2 - 20x + 3

Step-by-step explanation:

Simplify the expression.

Hoped this helped!

Answer:

SO HARD I CANT DO IT.

IM STILL 10 SORRY :(

Answer:

Step-by-step explanation:

It's with c or d I am confused with those two

4, 9, 16, 25, 36, 49, 64, 81, 100, 121

a negative times a negative is a positive and squaring those numbers would be multiplying a negative by itself.

For example (-2)*(-2) is 4

**note, this only applies if the negative value is in the parentheses. (-2)^2 is different than -2^2 because with -2^2 only the 2 is getting squared and then you’d have to multiply the negative after**

x                                         x3

-2                     -2^3 = -2 • -2 • -2 = -8

-3                     -3^3 = -3 • -3 • -3 = -27

-4                     -4^3 = -4 • -4 • -4 = -64

-5                     -5^3 = -5 • -5 • -5 = -125

-6                     -6^3 = -6 • -6 • -6 = -216

-7                     -7^3 = -7 • -7 • -7 = -343

-8                     -8^3 = -8 • -8 • -8 = -512

-9                     -9^3 = -9 • -9 • -9 = -729

-10                   -10^3 = -10 • -10 • -10 = -1,000

-11                     -11^3 = -11 • -11 • -11 = -1,331

Answer Straight From Edmentum/Brainly Hope it helps! :)

Answer:

positive 1/2

Step-by-step explanation:

Answer:

0.5

Step-by-step explanation:

3-2/0-2= 0.5

Answer:

9

Step-by-step explanation:

We have been given a graph of a function and we are asked to find the value of our function at x equals 2.

To find the value of f(2), we will see what is the value of y when x is 2.

We can see from our given graph that at x equals 2 our function is at 9.

Answer:

$677.02

Step-by-step explanation:

623.98 increase 8.5% =

623.98 × (1 + 8.5%) = 623.98 × (1 + 0.085) = 677.0183

Answer:

ima guess $262.50

Step-by-step explanation:

Answer: The approximate probability that exactly two of the five are blue is 0.3641

Step-by-step explanation:

Answer:

-70

Step-by-step explanation:

If a number is right by a parathesis () then you multiply the number inside the parathesis by the number next to them.

Answer:

[tex] \huge \purple {\frac{2 \sqrt[3]{6} + \sqrt[3]{18} }{ 6} }[/tex]

Step-by-step Explanation:

[tex] \huge \frac{2 + \sqrt[3]{3} }{ \sqrt[3]{6} } \\ \\ = \huge \frac{(2 + \sqrt[3]{3} )}{ \sqrt[3]{6} } \times \frac{ \sqrt[3]{6} \times \sqrt[3]{6} }{\sqrt[3]{6} \times \sqrt[3]{6}} \\ \\ = \huge \frac{(2 + \sqrt[3]{3} )}{ \sqrt[3]{6} } \times \frac{ \sqrt[3]{6 ^{2} } }{\sqrt[3]{6^{2}} } \\ \\ = \huge \frac{(2 + \sqrt[3]{3} )\sqrt[3]{6} }{ \sqrt[3]{6} \times \sqrt[3]{6 ^{2} }} \\ \\ = \huge \frac{(2 \sqrt[3]{6} + \sqrt[3]{3} \sqrt[3]{6} )}{ \sqrt[3]{6 ^{3} }} \\ \\ = \huge \orange{\frac{2 \sqrt[3]{6} + \sqrt[3]{18} }{ 6} }[/tex]

Answer:

64 square yards

Step-by-step explanation:

If the room is a square, then all sides of the room should be equal. To find the area of the room, we would need to multiply 2 adjacent sides of the room, meaning 24 x 24 = 576. Since we need yards of carpet, not feet, and we know that 1 square yard is 9 square feet, we divide our total area in feet by 9. This gives us 64sq yards of carpet

Answer:

No

Step-by-step explanation:

-6 is X

-10 is Y

-10 is smaller than - 8

Answer:

29719.2

Step-by-step explanation:

Answer:

Step-by-step explanation:

[tex]A=4\pi r^2\\\\r=3.5\,cm\\\\ A=4\pi(3.5)^2=49\pi=153.93804...\approx154\ cm^2[/tex]