Please I NEED HELP WITH THIS!!!!

Answers

Answer 1

Answer: So you basically plot a point of the y axis on 7 then since the slope is -3x you have to go down 3 and to the right 1 and keep going then you have to do the same but opposite, go up 3 times and to the left 1 unit.

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How many hours is 10:00 am to 3:00 pm?

Answers

it's must be 5 hours...

11,12,1,2,3. Therefore your answer is 5 hours.

Hope this helps.

Which equation is true when b = -4?A b/4 + 5.5 = 4.5
B -54 + 2b = -46
С 7b - 8 = -20
D b/8 - 6 = -8

Answers

Answer:

Step-by-step explanation:

-4/4 = -1

-1+5.5

=4.5

The answer is B. -54+2b=-46

The pair of points (6,y) and (10,-1) lie on a line with a slope 1(over)4. What is the value of y?

Answers

The formula for Slope is m = $(y_2 - y_1)/(x_2 - x_1)$ where m is the slope and the x's and y's are your given coordinates. So, plug the given information into the formula and solve for y.

m = $(y_2 - y_1)/(x_2 - x_1)$ Plug in the given values
$(1)/(4)$ = $(-1 - y)/(10 - 6)$ Cross multiply
10 - 6 = -4 - 4y Subtract
4 = -4 - 4y Add 4 to both sides
8 = -4y Divide both sides by -4
-2 = y Swich the sides to make it easier to read
y = -2

Check your answer by plugging -2 back into the equation with the other values.

[tex] \frac{1}{4} [/tex] = $(-1 - (-2))/(10 - 6)$ Simplify the double negative
$(1)/(4)$ = $(-1 + 2)/(10 - 6)$ Simplify the numerator and denominator
$(1)/(4)$ = $(1)/(4)$

Since both sides equal each other, y = -2.

Use the formula to find the slope which is m= y2-y1 over x2-x2. The equation would look like 1/4= -1 -y over 10-6. First, you do the subtraction in the denominator and you get 4. The equation would look like 1/4=-1-y over 4.

Then, you multiply the 4 to both side in order to get rid of the fraction from the equation. You would then have 1=-1-y. You add -1 to both side and you would have 2=-y. Since the variable cannot be negative, you divide -1 from both side and get -2=y. Therefore the answer is y=-2.

Hope this helps.

3/8 +1/5 equals what it is on my homework and I'm struggling

Answers

make bottom numbers same
they should be 40
to kee p fractions the same multiply topo and bottom by same number
3/8 times 5/5=15/40
1/5 times 8/8=8/40
15/40+8/40=23/40

23/40
*You might beable to simplify it

Which of the following are required to find density using the density formula? Check all that apply.A.
Width of the substance

B.
Mass of the substance

C.
Amount of water in the substance

D.
Volume of the substance

Answers

The density formula is Density = Mass / Volume
(B) Mass of substance and (D) Volume of substance are required to find the density.

Final answer:

To find density using the density formula, the required elements are the mass and volume of the substance. Width or the amount of water in the substance is not needed.

Explanation:

The density of a substance can be found using the density formula, which is Density = Mass / Volume. To use this formula, you would need:

Mass of the substance: This is the amount of matter in the substance and is typically measured in grams (g).
Volume of the substance: This is the space that the substance occupies and is typically measured in cubic centimeters (cc or cm3).

The width of the substance or the amount of water in the substance are not required to find density using the density formula.

Learn more about Density Formula

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Click here !!! help me solve this problem !!!!

Answers

Y=x^3+4 because if you mulitiply x 3 times and then add it by 4 then you should get y

y = x³ + 4 will be our equation

Because:

5=1³ + 4
5 = 1 +4
5 = 5 (its correct)

129 = 5³ + 4
129 = 125 + 4
129 = 129