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katen-ka-za [31]
3 years ago
13

Please help can you help i really need help like really this is so heard

Mathematics
1 answer:
Elina [12.6K]3 years ago
3 0

Answer:

1/8 square unit.

Step-by-step explanation:

Remark

The piece of information that is missing is     is the middle line parallel to 2 of the sides. You have to assume it is, otherwise the question is impossible to do.

Givens

The height of the red triangle is 1/2 the top or bottom white triangle. That's because the diagonals and the horizontal line all meet in the middle.

The base of the red triangle is equal to 1/2 the length of the base.

Formula

Area red = 1/2 b * h

Solution

b = 1/2

h = 1/2

Area = 1/2 * 1/2 * 1/2

Area = 1/8

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Which of the following points is a solution of y > |x| + 5?
Morgarella [4.7K]
You can do this one simply just by plugging in the values of x and y for each answer.
Note: (0,5) is just a way to right x=0 and y=5

Try answer A (0,5)
y\ \textgreater \ |x|+5
5\ \textgreater \ |0|+5
5\ \textgreater \ 0+5
5\ \textgreater \ 5
This is not true. 5 is not bigger than 5 so A is not the answer

Try answer B (1,7)
y\ \textgreater \ |x|+5
7\ \textgreater \ |1|+5
7\ \textgreater \ 1+5
7\ \textgreater \ 6
This is true so answer B works!

Might as well try answer C (7,1)
y\ \textgreater \ |x|+5
1\ \textgreater \ |7|+5
1\ \textgreater \ 7+5
1\ \textgreater \ 12
1 is obviously not greater than 12 so C does not work

The answer is B (1,7)
5 0
3 years ago
8)
Cloud [144]
Answer: he completed he completed 103.5 push ups in 45 seconds
7 0
3 years ago
A man is climbing down from 100 feet high descending 30 feet per minute. What equation is right?
Galina-37 [17]

Answer:

D. y=100-30x

Step-by-step explanation:

Every fpm (Feet Per Minute), the man is descending 30 feet

x = feet per minute

y = total amount

4 0
2 years ago
In the diagram below, DE is parallel to ty. What is the value of y!
rjkz [21]

Answer: A 80 i hope this helps

Step-by-step explanation:

6 0
3 years ago
Use the diagram, which is not drawn to scale to find AD if you know that AC=24 & BC=12
Firdavs [7]

Answer:

Option b. AD=18\ units

Step-by-step explanation:

step 1

In the right triangle ABC

<em>Find the sine of angle CAB</em>

sin( ---> the sine of angle CAB is equal to divide the opposite side angle CAB (BC) by the hypotenuse (AC)

substitute

sin(

simplify

sin( ---->equation A

step 2

In the right triangle BDC

<em>Find the sine of angle CBD</em>

sin( ---> the sine of angle CBD is equal to divide the opposite side angle CBD (DC) by the hypotenuse (BC)

substitute

sin( ----> equation B

step 3

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

In this problem

Triangles ABC and BDC are similar by AA Similarity Theorem

therefore

m∠CBD≅m∠CAB

equate equation A and equation B

\frac{DC}{12}=\frac{1}{2}

solve for DC

DC=\frac{12}{2}=6\ units

step 4

Find the value of AD

AD=AC-DC

substitute the values

AD=24-6=18\ units

4 0
3 years ago
Read 2 more answers
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