MATHEMATICS MIDDLE SCHOOL

What is the length of segment AD?

Answers

Answer 1

Answer:

Answer:

Hence, the length of segment AD is 5 units

Step-by-step explanation:

Clearly we could see that the segment AD is the hypotenuse of the right angled triangle ΔDGA.

where GA is the base of the right angled triangle.

DG is the perpendicular of the triangle.

Also length of GA=4 units.

and length of DG=3 units.

Hence, length of AD is calculated using the Pythagorean Theorem in the triangleΔDGA:

$AD^(2)=GA^2+DG^2\n \nAD^2=4^2+3^2\n\nAD^2=16+9\n\nAD^2=25\n\nAD=5$

Hence, the length of segment AD is 5 units.

Answer 2

Answer: triangle ABC, median AM is such that angle BAC is divided in the ratio 1:2 and AM is extended through M to D so that angle ABD is a right angle. ... Let

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Which expression could be used to find the quotient of 1575÷21?A. (1000÷21) + (500÷21) + (70÷21) + (5÷21) we know this is the answer, but how do we show the work? I hated math as a kid, and my daughters teacher said even though they weren't taught this yet, they still have to do the same work.

Answers

Answer:

The quotient of (1000÷21) + (500÷21) + (70÷21) + (5÷21) is equivalent to the quotient of 1575÷21.

Step-by-step explanation:

The given expression is 1575÷21.

It can be written as

$(1575)/(21)$

Write the numerator as the sum of the place values of each digit.

$(1575)/(21)=(1000+500+70+5)/(21)$

According to the distributive property,

$(a+b)/(c)=(a)/(c)+(b)/(c)$

Using the distributive property, we get

$(1575)/(21)=(1000)/(21)+(500)/(21)+(70)/(21)+(5)/(21)$

Therefore the quotient of (1000÷21) + (500÷21) + (70÷21) + (5÷21) is equivalent to the quotient of 1575÷21.

ok you split it up into thousands hundreds tens and units those are all the working out and bye the way sorry if you have different working I am britich so they have different methods

PLEASE HELP I GIVE THANKSI need 23.369136 rounded to the nearest whole number

And 92.7556 rounded to one decimal place

Answers

5 and above give it a shove
4 and below let it go
23

23.369136 becomes 23 because 3 < 5
92.7556 becomes 92.8 because 5 = 5

23. and 93. your answer is

Wenty-seven minus 3/2 of a number (x) is not more than 36. What is the number?

Answers

27+1.5x < 36
1.5x < 36-27
1.5x < 9
x < 6

Number 'x' has to be lower than 6.

-2x + 4y = -2 and 6x -y = 28

Answers

Answer:

(5,2)

Step-by-step explanation:

I hope that it helped you and that I solved it correctly

(5,2) the answer is

Samantha's notebook has 14 pages more than three times as much as Lisa's notebook. If Samantha's notebook has 260 pages , how many pages are there in Lisa's notebook? Answer Choices 72 82 246 738

Answers

your answer is B.82

I would answer this like algebra, so if L = Lisa's notebook, then:
3L + 14 = 260
- 14
3L = 246
÷ 3
L = 82
So your answer is 82 pages, I hope this helps!

Sabrina arrives late to science class. Her teacher is discussing organelles that convert energy from sunlight to chemical energy. Which organelle is the teacher talking about?A.chloroplasts
B.mitochondria
C.nuclei
D.lysosomes

Answers

I am pretty sure it is

A. Chloroplasts

:)

Chloroplasts
Chloroplasts only exist in plant cells.

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Four hundred two million seventy-three thousand one hundred eighty in standard form

X2=36 what dose this mean