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JulijaS [17]
3 years ago
13

I want to pour a concrete slab in my backyard with an area of 370 ft2 to put a basketball goal. If the length of the slab is 23

feet less than 6 times the width, answer the following questions.
a) What is an applicable x value?
b) What is the width of the concrete slab?
c) What is the length of the concrete slab?
Mathematics
1 answer:
Soloha48 [4]3 years ago
8 0
A=lw A=370 l=6w-23
370=w(6w-23)
6w^2-23w=370
6w^2-23w-370
Works out to
(W-10) pick this one
+10
W=10
or
(6w+37) is not the answer to choose
-37
6w=-37
/6 /6
W=-6.17


A) 10
B) 10
C) 37
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Answer:

8.20in³

Step-by-step explanation:

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top and bottom thickness dh 0.07in+0.07in = 0.14in

To compute the volume, we will find the value of dV

dV = dV/dr • dr + dV/dh • dh

dV/dr = 2πrh

dV/dh = πr²

dV = 2πrh dr + πr² dh

Substituting the values into the formula

dV = 2π(1.5)(6)•(0.04) + π(1.5)²(6) • 0.14

dV = 2π (0.36)+π(1.89)

dV = 0.72π+1.89π

dV = 2.61π

dV = 2.61(3.14)

dV = 8.1954in³

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3 years ago
X²-2x=8<br> what is the answer
katrin2010 [14]

Answer:

X=4,  -2

Step-by-step explanation:

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3 years ago
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Answer:

<u>Challenge #1:</u>

<u>Different examples:</u>

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Jackson has a gift card for $120 to use at a department store. he wants to purchase 2 shirts and 3 pairs of pants with his gift
mylen [45]
  • The domain of this relationship can be defined as,

0 ≤ x ≤ 60

  • The range of this relationship can be defined as,

0 ≤ y ≤ 40

Definition of Domain and Range

The set of  all the possible input values for which the provided function is defined is termed as the domain of that function.

The set of all the possible values that a given function can generate as an output is termed as the range of that function.

Forming the Relation

It is given that,

  • Jackson wants to purchase 2 shirts and 3 pairs of pants with his gift card
  • x represents the cost of the shirts and y represents the cost of the pants
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Thus, the relation formed is given by,

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Domain and Range of the Given Relation

We have,

2x + 3y \leq  120

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⇒ x\leq60

Thus, the domain is given by,

⇒ 0\leq x\leq 60

Similarly,

3y\leq 120

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Thus, the range is given by,

⇒ 0\leq y\leq 40

Learn more about domain and range here:

brainly.com/question/1632425

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