MATHEMATICS HIGH SCHOOL

What multiplies to -144 and adds to 7?

Answers

Answer 1
Answer: -9 and 16 add to make 7 and multiply to make -144
Answer 2
Answer: -9 × 16 = -144 &&&& -9 + 16 = 7

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Add parentheses to the expression so that its value is 45:5 × 4 + 8 - 3 5 × (4 + 8 - 3) 5 × (4 + 8) - 3 5 × 4 + (8 - 3) no parentheses are needed
X = -1Y = 35x^-6y^-2/y
A taut string of length 10 inches is plucked at the center. The vibration travels along the string at a constant rate of c inches per millisecond in both directions. If x represents the position on the string from the left-most end, so that 0≤x≤10, which of the following equations can be used to find the location x of the vibration after 0.3 milliseconds? A. | x -5 | =0. 3 B. ∣cx−5∣=0.3 C. | x -0.3 | = 5 D. | x - 10 | =0.3c
Mrs. Lee is putting a new fence around her square garden. The garden is 144square feet. How much fencing will Mrs. Lee need to enclose the entire garden?

Help I keep failing! Thx in advance! Will give brainliest

Answers

Answer:

C. Antoine can buy 10 pounds or less of oranges. x=10

Step-by-step explanation:

If you take the amount of money he has and subtract $5.20 from it (bc of the pumpkin) you get $13. Then you divide $13 by $1.30. (the amount each pound of oranges cost) He can get either 10 pound or less of oranges with the money he has.

I hope this helped. I'm new to Brainly so I'm trying to help any way I can. Hope this helped you!

A cube has a side length of 12 meters. What is the volume of the cube? A. 36 m3 B. 144 m3 C. 864 m3 D. 1728 m3

Answers

The\ volume\ of\ the\ cube:V=a^3\ \ /a-the\ length\ the\ edge\ of\ the\ cube\n\na=12\ m\n\ntherefore\n\n\boxed{V=12^3= 1728\ (m^3)}
A cube has congruent sides therefore the volume is 12*12*12=1728 meters cubed

What is 1.3 repeating as a fraction

Answers

It would be 1 and 3/10
1 1/3 would be the answer.

Chris wanted to buy 5 games for his PS5 each game costs $49.95. What math operation will you have to use to solve this problem?

Answers

Answer:

Step-by-step explanation:

Multiplication?
multiplication: 5*49.95=
or addition: 49.95+49.95+49.95+49.95+49.95=

An electrician charges a rate of $65 per hour plus a fee of $75 for a job done during the weekend. She earned $465 for a weekend job.Part A. Enter an equation to find the number of hours, h, the electrician worked on this job.

Part B. How many hours did the electrician work?

Answers

Answer:

(465 - 75) ÷ 65

She worked for 6 hours

Step-by-step explanation:

Answer:

Step-by-step explanation:

jj

How do you solve 13y^2-5yx-8x^2

Answers

Answer:

(13y+8)(y-x)

Step-by-step explanation:

13 y^(2)- 5yx -8x^(2)

we can solve above equation by using splitting the middle term

we can factorize it by splitting the middle term

13 y^(2)- 5yx -8x^(2)

=13 y^(2)- 13yx+8yx -8x^(2)

=13y(y-x)+8x(y-x)

=(13y+8)(y-x)

There are the two factors because the degree of the polynomial is 2

Hence, the correct answer is (13y+8)(y-x)
Step  1  :Simplify 13y2-5yx - 23x2 
1.1    Factoring    13y2 - 5yx - 8x2 Try to factor this multi-variable trinomial using trial and error  Found a factorization  :  (y - x)•(13y + 8x)
Final result : (y - x) • (13y + 8x)
Other Questions
James has a goal of saving $600 by the end of the month. He already has $150 in his bank account. He makes $25 an hour at his job. Which equation could he use to find x, the number of hours he needs to work to reach his goal.
Find n. 35/49=5/n n=_____
YOUR ASSIGNMENT: Factory Lighting ProblemIn this assignment, you may work alone, with a partner, or in a small group. Discuss the results of your work and/or any lingering questions with your teacher. You are deciding whether to light a new factory using bulb A, bulb B, or bulb C. Which bulb would be better to use on the factory floor? Which bulb would be better to use in the break room? To answer these questions, you will compare the energy usage of the three bulbs. The amount of energy the lights use is measured in units of kilowatt-hours. A kilowatt-hour is the amount of energy needed to provide 1000 watts of power for 1 hour. 1. Circle the two bulbs you picked. incandescent Halogen Fluorescent 2. 3. Practice: Summarizing (3 points) Fill in the blanks. The energy usage of a light bulb is a function. The input for the function is _________, measured in hours. The output of the function is energy usage, measured in ____________. Identify the functional relationship between the variables. _________________ is a function of _________________. The graph of the function will show energy usage on the _____________ axis and time on the _______________ axis. 4. Practice: Organizing Information (2 points) Use the data given to complete the table for your first bulb. DATA TABLE A Time (hours) x Energy (kWh) y Point (time, energy) (x, y) 3 10 5. Practice: Organizing Information (2 points) Use the data given to complete the table for your second bulb. DATA TABLE B Time (hours)x Energy (kWh)y Point (time, energy)(x, y) 3 10 6. Practice: Organizing Information (5 points: 1 point for labels, 2 points for each graph) Label the axes of the graph with "Time (hours)" and "Energy (kWh)." Plot the points from Table A on the graph. Connect the points with a line. On the same graph, plot the points from Table B and connect them with a line. 7. Practice: Summarizing (1 point) Classify each of your graphs as increasing, decreasing, or constant. First bulb: ___________________ Second bulb:___________________ 8. Practice: Summarizing (2 points) Fill in the blanks. First bulb: When 3 is the input, the output is _____. When 10 is the input, the output is _______. Second bulb: When 3 is the input, the output is _____. When 10 is the input, the output is _______. 9. Practice: Summarizing (1 point) The workers leave the lights on in the break room for stretches of about 3 hours. Which light bulb would light this room using the least amount of energy? 10. Practice: Summarizing (1 point) The lights in the main room of the factory stay on for stretches of 9 hours. Which kind of light bulb would light this room with the least amount of energy?
Jerome is going to draw a marble from the bag shown below, replace it, and then draw another marble. What is the probability that Jerome will get a green or yellow marble on the first draw and a pink on the second draw?