EASY POINTS The area of a triangle is 9 square feet. The base of the triangle is 3 feet. What is the height of the triangle?

Answers

Answer 1

Answer:

Answer:6

Step-by-step explanation:

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Blaire needs more than 708 total points on assignments in her math class to pass. She only has 236 points and needs to do some extra credit assignments that are worth 59 points each.59x + 236 > 708How many extra credit assignments does Blaire need to complete in order to pass?A. x > 236B. x > 59C. x > 472D. x > 8
Round 6.4 to the nearest tenth
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Solve the following simultaneous equations using an appropriate method. a) 7x + 3y = 16
y = 4x - 1

b) 2x + y = 8
4x + 3y = 16

c) -3x + 2y = 19
4x + 5y = 13

d) -3x + 7y = 9
4x - 3y = 7

e) -4x + 5y = -7
x = 23 - 3y

f) y = -x
y = -2/5x - 1/5

Answers

Good evening ,

Look at the photo below for the answer.

Answer:

a) x = 1 , y = 3

Step-by-step explanation:

a) 7x + 3y = 16

y = 4x - 1

3y + 7x = 16 ... (i)

y - 4x = -1 ... (ii)

Solving the simultaneous equation by substitution;

Equation (ii) tells us that y = 4x - 1

Substituting that in (i) gives;

3(4x - 1) + 7x = 16

12x - 3 + 7x = 16

19x = 16 + 3 = 19

x = $(19)/(19)$ = 1

y = 4(1) - 1 = 3

Whats greater 38.5mm or 10cm

Answers

38.5 mm is greater than 10 cm.

HOPE THIS HELPED
:)

10 cm is greater because 38.5 mm is 3.85 cm. Therefore, 10 cm is greater than 3.85 cm, or 38.5 mm. Hope this helps!

Help me with math please! 5 questions, 5 points each, 25 points overall! :D

Please answer EACH AND EVERY question!!

↓ ↓ ↓ ↓ ↓

Answers

first one is A and D.
2) D
3) *3-5* or 3-38.
4) 28
5) (35, 7)

these are your answers.

So 1.) is A & D

2.) D

3.) could either be 3-5 or 3-38

4.) 28

& 5.) is (35,7)

Your quite gracious with the points. :) Have fun with your homework.

Write a story related to the points shown in each graph. Be sure to include a statement relating the numbers graphed on the number line to their order. i will attach a photo

Answers

1. Points on 0 and 4.
Josie found an inchworm, and wanted to see how far it would travel inside a minute. She recorded the starting distance as 0, and then the distance it traveled to in one minute, which was 4 inches away from the starting point.
2. Points on -200 and 175.
Kayla wanted to see how far her toy submarine could go when she pushed it under the water. To record the depth and height, she decided that 0 on the number line would be the top of the water, and measured the distance in millimeters. When she pushed the submarine down, it went under the water 200 millimeters before she let go, and it shot up and out of the water 175 millimeters before coming back down to the water.
3. Points on -0.5 and -1.5
Skylar had two pullback toy racecars, and he wanted to know how far back he could pull each of them, measured in inches. The first one would only go back half an inch before it stopped moving, but the second one went back 1.5 inches.
4. Points on -6.8 and -2
Jacob was measuring the depth of the water tables in two areas, and graphing them with 0 as ground level. The water table at the first site was 6.8 miles under the surface, and the second was 2 miles under the surface.
5. Points on 5 and -8
Maurice borrowed $5 from Chris, and gave $8 to Jake. To keep track, he put on a number line the money he borrowed and the money he loaned. The money he gave away he put as negative, because he didn't have it, and the money he got he put as positive, because he had it.
6. Points on 1 and -3
Angela wanted to see how high her friend could jump before diving into the pool. She decided that the water level would be at 0, and then asked her friend to jump. Angela's friend jumped 1 foot in the air, and dove down 3 feet into the water.
7. Points at 4/5 and 3/5
Mike and Bobbi both wanted slices of a pie, but before they could have a piece, their friend wanted to record how much they took so that they would know how much was left over. The pie was sliced into fifths, and Mike and Bobbi each took one slice. The friend recorded how much was left after each of them took a piece, showing that 4/5 was left after Mike took a slice, and then only 3/5 was left after Bobbi took a slice.

minii made a recipe that yields 4 1/2 cups. If each serving is 1/2 cup, which expression will help mini determine the number of servings her recipe will yield

Answers

(1/2)cup(x)=4(1/2)cups

If the serving is 1/2 a cup and there is a total of 4 and a 1/2 cups then there would be a total of 9 servings just multiply the whole variable and add the 1/2

Two cyclist leaves town 200 mi apart at the same time and travel toward each other. One travels at 10mi/h slower than the other. The they meet in 5 hours, what is the rate of each cyclist

Answers

Let x be the rate of speed of slower cyclist

and x+10 = rate of speed of faster cyclist

Distance = Speed * Time

5x + 5(x+10) = 200

5x + 5x + 50 = 200

10x = 200-50

10x = 150

x = 15

Rate of speed of slower cyclist: 15 mph

Rate of speed of faster cyclist = 15+10 => 25 mph

Final answer:

In this problem, the speed of the faster cyclist is 25 mi/h and the speed of the slower cyclist is 15 mi/h. We determine this by setting up and solving an algebraic equation considering the total distance and time they traveled.

Explanation:

This problem is a typical example of relativerate and distance problems in algebra. First, define the speed of the faster cyclist as x m/h. Then, the speed of the slower cyclist is x-10 m/h. They travel towards each other, so their rates add up. That's why the equation becomes x+(x-10) = 200/5. We get this equation because the total distance they traveled is 200 miles (meeting in the middle), and they traveled for 5 hours.

Solving the equation x+(x-10) = 40 gives 2x-10 = 40, then 2x = 50, and finally x = 25. So, the faster cyclist is moving at 25 mi/h, and the slower cyclist is moving at 15 mi/h (25-10).