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2 years ago

Can anyone help me with this GEOMETRY

Mathematics

2 answers:

andreyandreev [35.5K]2 years ago

4 0

Answer:

B.) 83.7758

Step-by-step explanation:

shusha [124]2 years ago

3 0

Answer:

83.75 cubic inches

Step-by-step explanation:

We are given the diameter of a cone 8 inches, and height 5 inches and we are to find the volume of this cone.

(diameter is 8 inches so radius will be 4 inch)

We know that the volume of a cone is given by:

Volume of cone = $\pi r ^ 2 \frac { h } { 3 }$

Substituting the given values in the above formula:

Volume of cone = $\pi \times 4 ^ 2 \times \frac { 5 } { 3 }$ = 83.75 cubic inches

(diameter is 8 inches so radius will be 4 inches)

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Dan spends 1/4 of his wages on rent and 2/3 on food. If he makes £624 per week, how much

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Answer:

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3 years ago

At the fall festival, a booth is selling $5 meals and $10 meals. They sell 1000 meals in all and collect $3500. Which system of

Tamiku [17]

The system of equation that can be used to represent the number of meals sold is

x + y = 1000

5x + 10y = 3,500

Given:

Number of $5 meals sold = x

Number of $10 meals sold = y

Total number of meals = 1000

Total amount of meals = $3,500

The equations:

Quantity

x + y = 1000

Price

5x + 10y = 3,500

Therefore, the system of equation that can be used to represent the number of meals sold is

x + y = 1000

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brainly.com/question/15165519

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2 years ago

What does it mean to be "certain" to occur?

Luden [163]

Certain means the event will happen.

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5 0

3 years ago

Onya selected a pair of shoes for the regular price of $80. How much money will she save by using the 20% off coupon? Justify yo

professor190 [17]

Answer:

a. $Savings = \$16$

b. $Price = \$96$

Step-by-step explanation:

Solving (a):

$Price = \$80$

$Coupon = 20\%$

Required

Determine her savings.

$Savings = Coupon * Price$

$Savings = 20\% * \$80$

$Savings = \$16$

Solving (a):

$Price = \$120$

$Coupon = 20\%$

Required

Determine the price before tax

First, we need to determine her savings

$Savings = Coupon * Price$

$Savings = 20\% * \$120$

$Savings = \$24$

The price before tax is calculated as follows:

$Price = \$120 - \$24$

$Price = \$96$

4 0

3 years ago

PLEASE HELP! find the inverse matrix

Sauron [17]

Answer:

see explanation

Step-by-step explanation:

The inverse of a matrix A = $\left[\begin{array}{ccc}a&b\\c&d\\\end{array}\right]$ is

$A^{-1}$ = $\frac{1}{ad-bc}$ $\left[\begin{array}{ccc}d&-b\\-c&a\\\end{array}\right]$

If ad - bc = 0 then the matrix has no inverse

A = $\left[\begin{array}{ccc}11&-5\\3&-1\\\end{array}\right]$

ad - bc = (11 × - 1) - (- 5 × 3) = - 11 - (- 15) = - 11 + 15 = 4 , then

$A^{-1}$ = $\frac{1}{4}$ $\left[\begin{array}{ccc}-1&3\\-5&11\\\end{array}\right]$ = $\left[\begin{array}{ccc}-0.25&0.75\\-1.25&2.75\\\end{array}\right]$

3 0

3 years ago

Read 2 more answers