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oksano4ka [1.4K]
3 years ago
13

Select the correct expression for the phrase below.

Mathematics
2 answers:
Pie3 years ago
7 0

Answer: the third one, 19-m.

Step-by-step explanation: It’s the only one that expresses “m” being taken away (subtracted) from 19.

Alecsey [184]3 years ago
3 0
19-m since you are starting out with 18 and subtracting m from it
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X^2 + 4x + 4 = 0<br>please help!! I missed class! show steps!​
Stels [109]

Answer:

x= -2

Step-by-step explanation:

Step 1. In order to find the zeros of the function, we must factor it.

Step 2. To factor this, we have to find  two numbers that multiply to 4 and add to 4 which is 2 ( 2*2=4 and 2+2=4)

step 3. 0=(x+2)(x+2)

Step 4 make (x+2) equal to zero and solve which gives us -2, so -2 =x.

7 0
3 years ago
Which ordered pair is a solution of the system of a linear equation below? Y= 1/4x +2 y= x-1
Tanya [424]

Answer:  x = 4, y = 3

<u>Step-by-step explanation:</u>

y=\dfrac{1}{4}x+2    and      y=x-1

Using substitution method we get:

x-1=\dfrac{1}{4}x+2\\\\\text{subtract}\ \dfrac{1}{4}x\ \text{from both sides}\rightarrow \dfrac{3}{4}x-1=2\\\\\text{add 1 to both sides}\rightarrow \dfrac{3}{4}x=3\\\\\text{multiply both sides by 4}\rightarrow 3x=12\\\\\text{divide both sides by 3}\rightarrow x=4\\\\\text{Insert x = 4 into one of the original equations to solve for y:}\\y=x-1\\y =(4)-1\\y=3

3 0
3 years ago
You are filling a 5-L fish tank using a 250-mL container. How many full containers are required to fill the fish tank?
VLD [36.1K]
5L is 5000 mLso it would take 20
4 0
3 years ago
Read 2 more answers
Can someone explain how to do this?
pogonyaev

Answer:

For the first one use the formula

y=x*2

For the second use

y=x*4

The third is

y=x*15

The fourth is

y=x*16

Step-by-step explanation:

To find the value of the y units, u have to multiply any x unit with the first y unit given but not 0

idk if it makes sense but i tried

good luck!!

7 0
3 years ago
Read 2 more answers
Please help me it’s for homwork
notsponge [240]
System b should be (-3,2)!
7 0
3 years ago
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