MATHEMATICS MIDDLE SCHOOL

Juan rides his horse with a constant speed of 14 km/h. How far can he travel in 2 1/2 hours?

Answers

Answer 1

Answer: The answer would be 35

Answer 2

Answer:

Step-by-step explanation:

Speed v = distance d/time t

v = 14km/h, t = 2 1/2hr = 5/2hrs

: 14 = d/(5/2)

14 = 2d/5

14 × 5 = 2d

d = (14× 5)/2

d = 35km

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HELPFor the system below solve using linear combinations method 4x-7y=-2 and 12x-21y=-42

Answers

No solution

cz

12x-21y=-42 -----> /3 (divided by 3 )
4x-7y=14 ------ (2)
4x-7y=-2 ------- (1)

how 4x-7y =14 an = -2

and if we
(2)-(1)
0=12
#

A typical stone on the lowest level of the great pyramid in Egypt was a rectangular prism 5 feet long by 5 feet high by 6 feet deep and weighed 15 tons what was the volume of the average stone how much did one cubic foot of this stone weigh

Answers

To find the volume, you need to do length times width times height
SO you have to do 5 times 5 times 6
The volume is 150 cubic feet
Since 150 cubic feet of this rectangular prism is 15 tons
you can do 15 divided by 150
so one cubic feet of this stone sculpture weight 0.1 tons
Btw, a pyramid is a triangular structure, not rectangular

(4a-5)+(3a+6)

Adding polynomials

Answers

(4a-5)+(3a+6)=
=4a-5+3a+6=
=7a+1

$(4a-5)+(3a+6)=\n 4a-5+3a+6=\n 7a+1$

PLS HELP AND I DONT HAVE A CALCULATOR WITH ME :(
a=98x21x65

Answers

First, you multiply 98*21 which equals 2058. Then, you multiply 2058 times 65 which equals 133770 and there's your answer.

the answer is
98×21×65=

133770

AC = 4, AE = 7, AD = 10, what is the length of AB?

PLZ HELP

Answers

The above answer is not correct! The correct way to solve this is to look at the ratio of the sides as these are similar triangles. We are told that AC = 4 and AE = 7. That means that the side AC has been multiplied by 7/4 in order to become the length AE. Because these are similar trianges, all the sides must be multiplied by the same amount - therefore the side AD is equal to the length of AB multiplied by 7/4. Because we are given the side AD and need to find AB, we simply run the process in reverse like so:
If AD = 7/4 x AB:
AB = 4/7 x AD
AB = 4/7 x 10
AB = 40/7 (5.71 as a decimal)
Hope I helped :))

Answer:

The length of AB is 1 3/7 .

Terry has between 50 and 100 pennies and her piggy bank. She can count them two at a time and come out even. She can also count them three and five at a time and come out even. She cannot count them 4 at a time and come out even. How many pennies does she have?

Answers

The # is multiple of 2,3 and 5, but not 4. The smallest number possible in here is 105. This means that some of this is in the bank?

Other Questions

How do i round 3,176 to the nearest thousand

I need help and i need it fast!

A swimming pool measures 35 feet wide by long. What is the ratio of the length to the perimeter in simpiest form

PLZ HELP HURRY!!!! Subtract. –12 – (–17)A.–29B.–5C.5D.29