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3 years ago

Please answer the following please!!

Mathematics

2 answers:

Serhud [2]3 years ago

5 0

Answer:

Step-by-step explanation:

Given

4c + d and c = 5, d = - 4, then substitute values into the expression

= (4 × 5) + (- 4) = 20 - 4 = 16

FromTheMoon [43]3 years ago

3 0

Hey!

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We know that (a = -3), (b = 2), (c = 5), (d = -4).

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Solution:

= 4c + d

= 4(5) + (-4)

= 20 - 4

= 16

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Answer:

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Hope this helped, and good luck :)

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Mr. Lee bought rock to landscape around his house. He paid $190.72 for 8 tons of rock. How much did each ton cost?

frez [133]

Answer:

the correct answer I's 23.84

Step-by-step explanation:

I dividedc190.72 by 8

6 0

3 years ago

Maria and Nate graphed lines on a coordinate plane. Maria's line is represented by the equation y = -5/6x +8. Nate's line is per

eduard

Answer:

c) 6x - 5y = 15

Step-by-step explanation:

Slope-intercept form of a linear equation: $y=mx+b$

(where m is the slope and b is the y-intercept)

Maria's line: $y=-\dfrac{5}{6}x+8$

Therefore, the slope of Maria's line is $-\frac{5}{6}$

If two lines are perpendicular to each other, the product of their slopes will be -1.

Therefore, the slope of Nate's line (m) is:

$\begin{aligned}\implies m \times -\dfrac{5}{6} &=-1\\m & =\dfrac{6}{5}\end{aligned}$

Therefore, the linear equation of Nate's line is:

$y=\dfrac{6}{5}x+b\quad\textsf{(where b is some constant)}$

Rearranging this to standard form:

$\implies y=\dfrac{6}{5}x+b$

$\implies 5y=6x+5b$

$\implies 6x-5y=-5b$

Therefore, <u>option c</u> could be an equation for Nate's line.

3 0

2 years ago

What’s the answer to this problem

svp [43]

Yes he is correcct because 4/8 and 1/2 is the same thing

8 0

2 years ago

Write the following comparison as a ratio reduced to lowest terms <br><br> 31 hours to 7 days

alina1380 [7]

31:7 days hope this helps.

7 0

2 years ago

If you know anything about combining equations, specifically subtracting, can you please help me :)

Rufina [12.5K]

Answer:

5x - 2y = -2

Step-by-step explanation:

When subtracting one equation from the other, we are essentially just subtracting the left side of the second equation from the left side of the first equation and doing the same thing with the two right sides.

Here, we are subtracting (-7x + 3y) from (-2x + y):

(-2x + y) - (-7x + 3y)

Let's get rid of these parentheses. Remember that when we have a subtraction sign before a parentheses, we need to distribute a -1 to each term within those parentheses:

(-2x + y) - (-7x + 3y) = -2x + y + 7x - 3y = -2x + 7x + y - 3y = 5x - 2y

Now on the right side, we're subtracting 2 from 0:

0 - 2 = -2

Put it all together:

5x - 2y = -2

Hope this helps!

7 0

2 years ago

Read 2 more answers