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FrozenT [24]
4 years ago
9

Find the sum of - 100.55 and 69.95.

Mathematics
2 answers:
chubhunter [2.5K]4 years ago
8 0

Answer:

-30.6

Step-by-step explanation:

a negative and a positive number always gives us another negative number

Tanya [424]4 years ago
5 0

Answer:

-30.6

Step-by-step explanation:

You can use a calculator or you can think and be well if theres a number line theres a right part so -100.55 so then yo move 69.95 spaces

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Help please help!!!!!!!!!!!!!!!!!!!
BartSMP [9]

Answer:

The rectangle for the porch and most of the house is 15+ 10 = 25 by 30

25 x 30 = 750

The top triangles are 5 x 5 = 25. We don't need to divide because there are two triangles

The 5 and 5 from the triangle can subtract the bottom 30 to find the length of the rectangle

30-5-5=20 x  from the height of the triangle = 100

100+750+25=875

hope this helps. Your answer is 875

Step-by-step explanation:

8 0
4 years ago
The measures of the interior angles of a convex hexagon form an increasing arithmetic sequence. How many such sequences are poss
Tanya [424]

Answer:24

Step-by-step explanation:

8 0
4 years ago
Multiply binomails (x + 2) (3x+1)
Alika [10]

Answer:

The answer is 3x^2+7x+2

Step-by-step explanation:

Multiply each term of the second bracket with the first bracket.

We can write:

(x+2)(3x+1)= 3x(x+2)+1(x+2)

By multiplying the terms we get:

=3x^2+6x+x+2

Now simplify by combining like terms:

=3x^2+7x+2

Thus the answer is 3x^2+7x+2....

5 0
3 years ago
Read 2 more answers
8. Graph the following equation: y = x2 + 4x - 5
Dennis_Churaev [7]

Answer:

Given: y = x2 + 4x – 5

Find the following

y-intercept

x-intercepts or the zeros of the functions or roots

graph of the function, given vertex is at (-2, -9)

Solve the system of linear equations      – x + 6y = 8        2x + 5y = 3

Write the names of curves, given their equations:  

x2/16 + y2/9 = 1

3y = 2x + 5

(x - 5)2 + (y + 6)2 = 25

x2/16 – y2/25 = 1

y = 2x2 + 10x + 25

Write down the first five terms of the arithmetic progression with the first term 8 and common difference 7, then find the 17th

Write down the first five terms of the geometric progression with the first term 3 and common ratio 2, then find the 17th

6 0
3 years ago
Simplify the following surd expressions a) 9√3 - 4√3 + √5 + 2√5 b) 10√2 + 4√7 - 6√2
gogolik [260]
A) 5√3 + 3√5
B) 4√2 + 4√7
3 0
3 years ago
Read 2 more answers
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