Mathematics Middle School

the following linear system is to be solved using the elimination method. 5x + 7y=0 x+ 4y= -1 the first step would be to
A. add the equations
B. subtract the equations
C. multiply the first equations by 5
D. multiply the second equation by 5

Answers

Answer 1
The correct answer would be D Have a nice day

Related Questions

NEED HELP PLEASE HURRY
After selling 15 lemonades,
Jessica made $5. After
selling 42 lemonades, she
made $18.50.
Graph the equation using each form (standard form, point-slope form, and slope-intercept form)

Answers

Answer:

its 65.5

Step-by-step explanation:

please help me with this question

Answers

The answer is 17 this is calculator method

Is 1 1/2 closer to 1 or 2?

Answers

Answer: 2

Step-by-step explanation: Since 11/2 is bigger than 1 whole it should be 2 or more. since 2 can go into 11 5.5 times.

If you look at it as a decimal it would be 1.5

If you round it you would round it to 2

Help me please please help me

Answers

Answer:

9r2/83-81=2

Step-by-step explanation:

so for the top one on da left that should be 9 because only 9 nines can fit into 83 ya feel me. And 9x9 is 81 so put 81 under the 83 and 2 at the bottom. And im pretty sure for the top right one its 2 because 83 divided by 9 equals 9.2222222 repeated and the r stands for repeated so ur answer is 9 r 2

Hope this helps!

:)

the parts highlight in yellow are the numbers that were missing

answer asap pleaseeee

Answers

Answer:

4!!

Step-by-step explanation:

What is the approximate area of this figure?
A. 25 cm
B. 31 cm
C. 38 cm
D. 42 cm

Answers

Step-by-step explanation:

4*4=16 (area of the square)

4/4 *suare root of 4* 8²-4²=

=15.492 approximately

So the whole area will be approximately

31 cm²

So the anwer is B.31 .

plz help with this question will mark brainlietss

Answers

Answer:

(2, 6)

Step-by-step explanation:

Zach's trunk has a volume of 12 cm3.

How many 1 cm3 cubes will fit in it?
pls tell me how you got ur answer ;-;

Answers

Answer:

5^3

Step-by-step explanation:

This section introduces the idea of volume by counting up how many 1 cm cubes there are in a solid. We want to find the volume of this solid: We can see that this solid is made up of five 1 cm cubes like the one above. The volume of the solid is 5 cm³

12 because we know that it’s volume is 12 and volume is how many of whatever item fit in it

Complete the double number to line show percentages of $50?

Answers

Answer: $25-50% $37.50-75% $75-150%

Step-by-step explanation: I know this because I added $12.50 to the number.

Please help meh i really need help

Answers

Answer  B is 56 thats all i know

Step-by-step explanation:

part a) scale factor = dividing by two

part b) 5.5 feet

Please answer and explain why.

Answers

0,3,5,7,8 because it would make it higher pls heart and good luck !

WILL MARK BRAINLIEST‼️
Click on image to see shapes.

Drawing 2 is a scale drawing of Drawing 1.

a. The scale factor from Drawing 1 to Drawing 2 is _______%.

b. The length of the bottom side of Drawing 2 is _____cm.

Answers

A is 2.5 B is 7.8 I did this on a quiz and got 100% hope it helps

helpppppppppp meeee plzzzzzzz

Answers

Answer:

the answer is -64. letter B

Where are my fellow Bi Queens/Kings???<333

Answers

Hi! I am here! I need more letters lol but ya I am here

Greatest common factor(GCF) of 90 & 45

Answers

Answer:

the answer is 45 for 90 &45

Answer:

The GCF is 45

Step-by-step explanation:

Step 1:  Find the prime factorization of each number

Prime Factorization of 90:  2 * 3 * 3 * 5

Prime Factorization of 45:  3 * 3 * 5

Step 2:  Multiply the numbers that they have in common

Both numbers have 3, 3, and 5 in common.  

So we just multiply them:  3 * 3 * 5 = 45

Therefore, the GCF of 90 and 45 is:  45

Answer: The GCF is 45

Suppose you send about 12 text messages a day, and your older sister sends more text messages than you do. Together, you send a total of about 26 messages per day. About how many text messages does she send a day? Write an equation and solve for the unknown value. (2 points)

Answers

The answer is 14 you should do 26=12=14

Answer: 14

Step-by-step explanation: x=26-12

5^b/5^a=5^7. what is the value of a and b

Answers

I dunno I’m not smart

Step-by-step explanation:

there you gojsjdjskksk

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa chose all that apply

Answers

Answer:

B,C

Step-by-step explanation:

b and c ................

help help help help help

Answers

dont press on the link, its. asc

Select answers from the drop-down menus to correctly complete the statements. A scale factor of _____ was applied to the first triangle to get the resulting image. This scale factor is _____ .

An isosceles triangle with a side length of 3.4. An arrow points to a smaller isosceles triangle with a side length of 1.7.

Answers

Answer: 1.46 and 1.8 is the answer

Step-by-step explanation:

−14x+2+7x=23 solve x=?

Answers

Answer:

x = -3

Step-by-step explanation:

Answer:

x = -3

Step-by-step explanation:

-7 - 6j = -5j + 53, what does j equal?

Answers

Answer:

Jasper

Step-by-step explanation:

Answer:

j= -60

Step-by-step explanation:

Move the termsCollect like terms, calculateChange the signs

the cost of 25 apples is rupees 200 . the cost of 29 oranges is half the price of 25 apples. Find the cost of oranges.

Answers

Half the price of 25 apples is 100
100/29=3.45 rupees per orange
25 Apples cost 200 rupees and 29 oranges cost half of what the apples cost witch means the oranges cost 100 rupees.I

Pls help and explain(if you can)

Answers

Answer:

$300 | 300 Dollars of United States

I can’t necessarily explain it but I believe it’s 40.99 I’m sorry if I’m incorrect. Hope this helped!!

How much power is indicated by each example?

Answers

I would say 25 because the power to thre o’clock while I was at the park
Yes it is 25 the guy above is correct

pls help it should be ez for u guys

Answers

It should be 22500cm3
22500 cm3. Is the answer

giving brainliest!!!!!!!!!!!!!!

Answers

Answer:

B!

Step-by-step explanation:

B! I thinkkk thats the answer

what is 5.64 x 10⁴ on a calculator

Answers

Answer:

56400

Step-by-step explanation:

Plug it into a calculator.

or

5.64x10^4

10^4=10x10x10x10 which has 4 zeros which is 10,000

so move the decimal from 5.640000

4 places to make 54600

hope that helps :)

If the blueprint has a scale of 1 inch = 36 feet. Then the foyer would be
____ feet by _____?
20 points!

Answers

Answer:

27 feet by 9 feet

Step-by-step explanation

given the equation y=5x-1 does the point A(-11,54) belong to this line?

Answers

No, because 5(-11)-1 is not equal to 54.
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