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balandron [24]
3 years ago
9

The value for the area A of the figure is given. Write and solve a compound inequality for the value of x in the figure.

Mathematics
1 answer:
alekssr [168]3 years ago
3 0

Answer:

3x/2

Step-by-step explanation:

the formula for a triangle is l * w /  2 so we just replace the variables with the numbers for our situation to get 3x/2

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Kylie explained that (negative 4 x + 9) squared will result in a difference of squares because (negative 4 x + 9) squared = (neg
Eva8 [605]

Given:

The given expression is:

(-4x+9)^2

According to Kylie,

(-4x+9)^2=(-4x)^2+(9)^2

(-4x+9)^2=16x^2+81

To find:

The correct statement for Kylie's explanation.

Solution:

We have,

(-4x+9)^2

According to the perfect square trinomial (a+b)^2=a^2+2ab+b^2.

(-4x+9)^2=(-4x)^2+2(-4x)(9)+(9)^2

(-4x+9)^2=16x^2-72x+81

Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.

Therefore, the correct option is C.

4 0
3 years ago
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What is 1.45 as a mixed number in simplest form?
g100num [7]
Answer is (1 9/20) because 1 and 45/ 100 can be simplified by divided 45/100 by 5.  45 divided by 5 is 9 and 100 divided by 5 is 20.  A mixed number is a combination of a whole number and a fraction.  The whole number is 1 and the fraction is reduced to 9/20.
8 0
2 years ago
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Kayla is building a rectangular garden in her backyard and is planning out the design on a coordinate plane where each unit repr
BlackZzzverrR [31]
Y's minus y's and x's minus x's. 

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4*6= 24

Your area is 24ft^2
5 0
3 years ago
Nanette has 5 dimes and 5 pennies in her
Blizzard [7]

Answer:

2/9

Step-by-step explanation:

5 dimes and 5 pennies = 10 coins

P( dime) = number of dimes / total

            =5/10 = 1/2

keep the dime

4 dimes and 5 pennies = 9 coins

P( penny) = number of penny / total

                 =4/9

P( dime, keep, penny) = 1/2 * 4/9 = 2/9

3 0
3 years ago
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Complementary angles are two angles whose measures add to 90°. The ratio of the measures of two complementary angles is 4:11.
Ilia_Sergeevich [38]

Answer:

24:66

Step-by-step explanation:

5 0
2 years ago
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