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2 years ago

I need help with this question. Thank you so much!

Mathematics

2 answers:

crimeas [40]2 years ago

4 0

Pretty sure it’s going to be D.

kati45 [8]2 years ago

4 0

Answer:

D. -5

Step-by-step explanation:

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Find the slope of the line containing the points (1, 4) and (3, 7).

irina1246 [14]

Answer: 3/2

Step-by-step explanation:

the formula to find slope is:

m = rise/run = $\frac{y2-y1}{x2-x1}$

In this case:

m = 3/2 = $\frac{7-4}{3-1}$

6 0

2 years ago

Help needed please.

My name is Ann [436]

The correct answer for the question shown above is: Gabriel should use 2 kilograms of compost.

The explanation is shown below:

1. To solve the exercise you must apply the following proccedure:

2. You have that He wants it to be 2 parts compost to 10 parts potting soil and he wants to end up with 10 grams of mix. Therefore:

=(2/12)x12 kilograms
=0.166x12 kilograms
=2 kilograms

5 0

2 years ago

The slope of a line is 1, and the y-intercept is -1. what is the equation of the line written in slope-intercept form?

elena-s [515]

The m in the equation is the slope and the y-intercept is the b.
y=1x-1
y=mx+b

4 0

2 years ago

Use the equation below to find v, if u = 18, a=6, and t =4. V=u+at

Anastaziya [24]

Answer:42

Step-by-step explanation:

V= 18 + 6(4)

V= 18 + 24

V= 42

7 0

2 years ago

Read 2 more answers

4x-3y=2<br> 3x=5y=16<br> solve using substitution method

vodomira [7]

$\left\{\begin{array}{ccc}4x-3y=2&|\text{add 3y to both sides}\\3x+5y=16\end{array}\right\\\left\{\begin{array}{ccc}4x=3y+2&|\text{divide both sides by 4}\\3x+5y=16\end{array}\right\\\left\{\begin{array}{ccc}x=0.75y+0.5&(*)\\3x+5y=16\end{array}\right\\\\\text{substitute}\ (*)\ \text{to the second equation}\\\\3(0.75y+0.5)+5y=16\qquad\text{use distributive property}\\\\(3)(0.75x)+(3)(0.5)+5y=16\\\\2.25y+1.5+5y=16\qquad\text{subtract 1.5 from both sides}\\\\7.25y=14.5\qquad\text{divide both sides by 7.25}$

$\boxed{y=2}\\\\\text{substitute the value of y to}\ (*):\\\\x=0.75(2)+0.5\\\\x=1.5+0.5\\\\\boxed{x=2}\\\\Answer:\ x=2\ and\ y=2\to(2,\ 2)$

7 0

2 years ago