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Lesechka [4]
3 years ago
9

Find the value of c that makes each trinomial a perfect square. Then write the trinomial as a perfect square.

Mathematics
1 answer:
musickatia [10]3 years ago
3 0

Answer:

d. c = 100; (x – 10)²

Step-by-step explanation:

Note that (x+a)²=x²+2ax+a².

In our case, 2a=-20, so 'a' must be -10.

Since c=a², and a=-10, c=(-10²)=100.

Since a=-10, the perfect square is (x – 10)²

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Is 4/10 bigger than 4/100
lyudmila [28]

Answer:

Yes

Step-by-step explanation:

4/10 = 0.4

4/100 = 0.04

0.4 > 0.04

Therefore the answer is yes

4 0
3 years ago
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What is a number decreased by 4 is more than -1 . you have to write an inequality .
rosijanka [135]
You would just need to make an inequality from the description. You would make "x" the number. The answer would be "x-4>-1"
3 0
3 years ago
Calculate the area of each circle
Triss [41]

Answer:

1.54 in²

Step-by-step explanation:

Given that,

→ Radius (r) = 0.7 in

Formula we use,

→ πr²

The area of the circle will be,

→ πr²

→ (22/7) × 0.7 × 0.7

→ (22/7) × 0.49

→ [ 1.54 in² ]

Hence, area of circle is 1.54 in².

8 0
2 years ago
Mia hired a moving company. The company charged
Mumz [18]
She tips the movers $80
7 0
3 years ago
Which describes the cross section of the square prism that passes through the vertices A, B, C, and D shown
sasho [114]

Answer:

first of all,

Step-by-step explanation:

In triangle ABC one side equal  and two sides equal  

Step-by-step explanation:

We are given a prism whose base is square with sides 8 in and height 12 in.

If we take cross section through vertices A, B and C

We will get a cross section as triangle.

In triangle ABC, sides are AB, BC and AC

AB is diagonal of top square whose side 8 in.

AC is face diagonal of front face.

BC is face diagonal of right face.

AC=BC≠AB

Hence, In triangle ABC one side equal  and two side equal  

Hope this helps!!

5 0
3 years ago
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