How many solutions are there to the following system of equations? 2x+5y=-11
10x+25y=-55

A. 0
B. 2
C. 1
D. Infinitely many.

Answers

Answer 1

Answer: If you would like to know how many solutions are there to the following system of equations, you can calculate this using the following steps:

2x + 5y = -11 /*(-5)
10x + 25y = -55
_______________
-10x - 25y = 55
10x + 25y = -55
_______________
0 = 0

The correct result would be D. Infinitely many.

Answer 2

Answer:

Answer:

D. There are infinitely many solutions to the system.

Step-by-step explanation:

Got it correct on edge 2020

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A model is made of a car. The car is 8 feet long and the model is 10 inches long. What is the ratio of the length of the car to the length of the model?

Answers

Like I said in one of your questions ratios are just fractions
8/10 is what you get, but you need to simplify it to get
4/5

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!What is the sum of the first 7 terms of the series − 3 + 6 − 12 + 24 −... ?

Answers

Answer: -129

Step-by-step explanation:

Given the sequence {-3, 6, -12, 24, ... }, we can see that the first term (a) is -3 and the ratio (r) is $(6)/(-3) = -2$ .

Input those values into the Sum formula:

$S_n=(a(1-r^n))/(1-r)\n\nS_7=(-3(1-(-2)^7))/(1-(-2))\n\n.\quad=(-3(1-(-128)))/(1+2)\n\n.\quad=(-3(1+128))/(3)\n\n.\quad=(-3(129))/(3)\n\n.\quad=-129$

Factor 5(4x -3)+x(4x-3) using GCF

Answers

The factor of the expression 5(4x – 3) + x(4x – 3) will be (4x – 3) and (x + 5).

What is a factorization?

It is a method for dividing a polynomial into pieces that will be multiplied together. At this moment, the polynomial's value will be zero.

The expression is given below.

⇒ 5(4x – 3) + x(4x – 3)

Then the factor of the expression will be

⇒ (4x – 3)(x + 5)

More about the factorization link is given below.

brainly.com/question/6810544

#SPJ2

Here is the answer your only common factor is the 4x-3 so you eliminate that to get 5+x however you then have to multiply the 5+x but the GCF to get
(4x-3)(5+x)

Write the equation a. a vertical line that passes through the point (2,-6)

b. the y axis

c. a horizontal line that passes through the point (1,4)

d. the x axis

Answers

$a)\ x=2\n\nb)\ x=0\n\nc)\ y=4\n\nd)\ y=0$

Miguel’s steps in evaluating an expression are given below. 32 ÷ 2(23 – 4) Step 1: = 32 ÷ 2(8 – 4) Step 2: = 32 ÷ 2(4) Step 3: = 32 ÷ 8 Step 4: = 4 What, if any, was Miguel’s mistake?

Answers

Answer:

its actually c he did a mistake on step 3 i just took the test and got it right

Step-by-step explanation:

Miguel incorrectly multiplied before dividing in step 3

Answer:

C. Miguel incorrectly multiplied before dividing in step 3.

Step-by-step explanation:

look at picture down below

Simplify the expression 18 + 12xa 2 (9 + 5x )
b 3(6 +3x)
c 6 ( 3 + x)
d (3 + 2x)

Answers

Answer:

c:) 6(3 + 2x)

Step-by-step explanation:

The given expression is 18 + 12x. To simplify this expression, we can first look for any common factors that can be factored out. In this case, we can factor out 6, which gives:

18 + 12x = 6(3 + 2x)

So, the simplified expression 18 + 12x is 6(3 + 2x).

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