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Alchen [17]
3 years ago
14

Small point give away! Hope you guys enjoy!

Mathematics
2 answers:
Lostsunrise [7]3 years ago
8 0

Answer:

Wow everyone is being so noice today is today some kind of special occassion?

marin [14]3 years ago
3 0

Thanks!!

Can you please mark me brainliest :)

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Triangle def is similar to triangle xyz. what is the value of x?
nexus9112 [7]

Answer:

x = 48 ft

Step-by-step explanation:

Triangle DEF is similar to triangle XYZ

10 x 4 = 40 ft

so

12 x 4 = 48 ft

Answer

x = 48 ft

3 0
3 years ago
Please help and please say the formula!!
Damm [24]

Answer:

B

Step-by-step explanation:

Formula: 4*((15*7)/2) + 15^2

This is the area of the four triangles combined (210 cm^2) plus the area of the square (225 cm^2)

8 0
3 years ago
I WILL MAKE YOU THE BRAINLIEST EASY QUESTION
Lemur [1.5K]

1. the answer is 27/10

2. the answer is 3 1/7

3. the answer is 3 5/6


Please mark me the brainliest!

6 0
3 years ago
Read 2 more answers
Find y give your answer in simplest form​
cricket20 [7]

17 \sqrt{2}

One of the angle of the triangle is 90 degrees which means it is a right angled triangle. Two angles are same i.e 45 degrees which means the angle is an isosceles triangle.

so, x = 17 (isosceles triangle)

then use pythagoreas theorem:

y =  \sqrt{x {}^{2} + 17 {}^{2} }

and x = 17, so simplify and

y =  \sqrt{17 {}^{2}  + 17 {}^{2} }

so

y = 17 \sqrt{2}

8 0
3 years ago
Find a4 for the arithmetic series with S4=-36 and a1=9
erastova [34]

ANSWER

The 4th term is -27

EXPLANATION

The sum of the first n-terms of an arithmetic sequence is

S_n= \frac{n}{2} (2a_1+d(n-1))

It was given that,

S_4 =  - 36

a_1 = 9

- 36= \frac{ 4}{2} (2 \times 9+d(4-1))

-36=2(18+3d)

-18=18+3d

-18 - 18 = 3d

3d =  - 36

d =  - 12

The n-term is given by:

a_n=a_1+ (n-1)d

We substitute n=4 to get,

a_4=9+ (4-1)  \times -12

a_4=9+ 3\times -12

a_4=9 - 36

a_4= - 27

5 0
3 years ago
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