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Studentka2010 [4]
3 years ago
9

Someone pls help:) Find the equivalent expressions for (x+7) (x+1)

Mathematics
2 answers:
Margarita [4]3 years ago
7 0
Rvsrsvuofehwecrbfwuibeviubvuivfshdciahbu
podryga [215]3 years ago
7 0

Answer:

(x-4)^2 -9

x^2+8x+7

x(x+8)+7

Step-by-step explanation:

(x+7) (x+1)

distributive property

x^2+ x+7x+7

combine like terms

x^2 +8x+ 7

Then solve each expression to find the one equivalent to x^2 + 8x+ 7

x=-7 and x+-1

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Nataliya [291]

Answer:

Question 1: A,B,D,F

Queation2: the order is 2,3,1

Question3:A

Question4:A

Step-by-step explanation:

8 0
3 years ago
B. Solve for the product of the following fractions. Express your answer in simples form.
sladkih [1.3K]

Answer:

  1. 5/9
  2. 1/5
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5 0
3 years ago
A circus tent is cylindrical upto a height of 3.3 m and conical above it if the diameter of the base is 100m and slant height of
Rina8888 [55]

Total cost of canvas required in making the tent is rupees 79128

<em><u>Solution: </u></em>

Given:

Height of the cylindrical tent = h = 3.3 m

Diameter of it's base = d = 100m

radius = \frac{diameter}{2} = \frac{100}{2} = 50

r = 50 m

<em><u>Curved surface area of cylinder:</u></em>

C.S.A = 2 \pi rh

C.S.A = 2 \times 3.14 \times 50 \times 3.3 = 1036.2

Thus Curved surface area of cylinder = 1036.2 square meter

<em><u>Curved surface area of cone:</u></em>

C.S.A = \pi rl

C.S.A = 3.14 \times 50 \times 56.4 = 8854.8

Thus Curved surface area of cone = 8854.8 square meter

<em><u>Total curved area of tent:</u></em>

⇒ curved area of cone + curved area of cylinder

\rightarrow 8854.8 + 1036.2=9891

Thus total curved area of tent = 9891 square meter

<em><u>find total cost of canvas required in making the tent:</u></em>

The cost of canvas is 8 rupees per square meter

\rightarrow \text{total cost } = 9891 \times 8 = 79128

Thus total cost of canvas required in making the tent is rupees 79128

7 0
3 years ago
X² + 4x + 3 = 0<br><br>Can someone please help me solve this quadratic equation <br>​
gavmur [86]

Answer:

Step-by-step explanation:

x= -1 and -3

What when multiplied is +3 but when added is 4? 3 and 1. You then get (x+3)(x+1) is the first part of the answer. If you want to find x, set x+3 to 0. x+3=0. Then subtract 3 from both sides to get x by itself. x= -3. Do the same with the x+1.

8 0
3 years ago
What is the math term for you taking parentheses away?
TEA [102]

You might be thinking of "distribution" or "distributive property"

Example:

2(3x+5) = 2*3x+2*5 = 6x+10

I multiplied the outer 2 by each term inside (3x and 5)

4 0
3 years ago
Read 2 more answers
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