MATHEMATICS MIDDLE SCHOOL

find the area of a triangle with a base length of 4 units and a height of 5 units A. 8 units B. 9 units C. 10 units D. 20 units

Answers

Answer 1

Answer: Area = Base x 1/2height
Answer is C) 10

Answer 2

Answer:

Answer:

C. 10 square units got it right.

Step-by-step explanation:

hope it helps :D

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At 10:00 a.m., Han and Tyler both started running toward each other from opposite ends of a 10-mile path along a river. Han runs at a pace of 12 minutes per mile. How far does Han run after a half-hour? An hour?

Answers

Answer:

half hour= 2 and one half mile

whole hour= 5 miles

Step-by-step explanation:

half hour 12 24 36 two miles and 12 divided by 2 is 6 so 2 and a half miles

whole hour 12 24 36 48 60 is 5 miles

A liter is equal to 100 centiliters. Is a centiliter agreater measure than a milliliters? Explain.

Answers

Yes, 10 mL = 1 cL. Hope this helped.

Line segment AB has endpoints A(2, 9) and B(5, 8) . A dilation, centered at the origin, is applied to AB¯¯¯¯¯ . The image has endpoints A′(43, 6) and B′(103, 163) . What is the scale factor of this dilation? 32
23
2
3

Answers

Answer: The correct option is (B) $(2)/(3).$

Step-by-step explanation: Given that the co-ordinates of the end-points of a line segment AB are A(2, 9) and B(5, 8). After being dilated about the origin (0, 0), the co-ordinates of the end-points of image A'B' are $A^\prime\left((4)/(3),6\right)$ and $B^\prime\left((10)/(3),(16)/(3)\right).$

We are to find the scale factor of the dilation.

The scale factor of the dilation will be

$S=\frac{\textup{length of the image line}}{\textup{length of the original line}}.$

The lengths of the lines AB and A'B' are calculated using distance formula as follows:

$AB=√((5-2)^2+(8-9)^2)=√(9+1)=√(10),\n\n\nA'B'=\sqrt{\left((10)/(3)-(4)/(3)\right)^2+\left((16)/(3)-6\right)^2\right)}=\sqrt{4+(4)/(9)}=\sqrt{(40)/(9)}=(2)/(3)√(10)~\textup{units}.$

Therefore, the required scale factor of dilation is

$S=(A'B')/(AB)=((2)/(3)√(10))/(√(10))=(2)/(3).$

Thus, the scale factor of the dilation is $(2)/(3).$

Option (B) is CORRECT.

the answer is 2/3
i took the test
hope this helps!

8000 pounds is 4 tons then what is 7000 equal to?

Answers

Steps:
1. Do a proportion
8000 pounds/4 tons= 7000 pounds/ x
2. Do 7,000 times 4 which equals 28,000
3. Do 28,000 divided by 8,000
4. Your answer is
3.5 tons

Create a proportion: 8000/4 = 7000/x

8000x = 28000

then divide

8000x/8000 = 28000/8000

that equals x = 3.5 tons

---------------------------------------------------------OR---------------------------------------------------

Create a proportion 8000/4 = 7000/x

then simplify to 2000/1 = 7000/x

7000 = 2000x

then divide

7000/2000 = 2000x/2000

3.5 tons = x

9j-8=8+9j
HOW DO I ANSWER THIS EQUATION?

Answers

That is communtive property.....subtract 9j and 8 then add 8 and 9j then add the difference and the sum together and you should get your answer

Find the value of x (approximately),A = 177 cm?
x cm
13 cm
11 cm

12.8 cm
16.2 cm
14 cm
13.6 cm

Answers

Answer:. If the Area is 177, it should have been given in square centimeters.

If one side is 13 cm, the other side is about 13.6cm.

If one side is 11 cm, the other side should be about 16.1 cm. Even the choice is incorrect!

A/x = w

Step-by-step explanation: to find a side when the Area is given, divide the Area by the length or width given.

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