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2 years ago

The coordinate grid shows the plot of four equations:

Mathematics

1 answer:

gogolik [260]2 years ago

7 0

Answer:

D. B and C

Step-by-step explanation:

The set of equations that has the (3, 5) as a solution would be the two lines that intercepts at the point where when x = 3, y = 5.

From the graph shown, line B and line C intercepts at the point where x = 3, and y = 5.

Therefore, B and C has (3, 5) has its solution.

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Sean used candle molds, as shown, to make candles that were perfect cylinders and spheres:

BaLLatris [955]

We calculate for the volumes of each of the wax needed for the candles through the equations presented below.

For cylinder:
V = πr²h
where V is volume, r is radius and h is height.

Substituting the known values,

V = (3.14)(3 in)²(6 in)
V = 169.56 in³

For sphere:

V = 4πr³/3
Substituting the known values,
V = 4(3.14)(3 in)³ / 3 = 113.04 in³

The difference between the two volumes,

difference of volumes = 169.56 in³ - 113.04 in³
difference of volumes = 56.52 in³

Thus, the answer to this item is the last choice.

4 0

3 years ago

I need help, with this question.

k0ka [10]

The answer is going to be 100

8 0

3 years ago

Read 2 more answers

-5+d/3=5 solve the equation what does d equal

Aleks [24]

-5+d/3=5

d/3-5=5

d-3.5/3=5

d-15/3=5

d-15=15

(d-15)+15=15+15

d-15+15=30

d=30
Hope this helps kiddo

8 0

3 years ago

A six foot tall man casts a shadow that is 10 feet long. if a tree next to the man casts a 25 foot shadow. how tall is the tree?

OLga [1]

Answer: Im not completely sure but my best guess is 21. the tree is 21 feet tall

Step-by-step explanation:

4 0

3 years ago

What is your sister’s total cost under each of the two plans?2. Suppose your sister doubles her monthly usage to 3,500 minutes a

chubhunter [2.5K]

Answer:

(1) The total cost under Plan A is $92 and the total cost under Plan B is $515.

(2) The total cost under Plan A is $92 and the total cost under Plan B is $1,030.

Step-by-step explanation:

The question is incomplete, so the complete question is below:

$A\ cell \ phone \ company\ offers\ two \ different \ plans.$

$Plan\ A\ costs\ \$92\ per\ month\ for\ unlimited\ talk\ and\ text.\ Plan\ B\ costs \ $0.20\ per\ minute\ plus\ \$0.10\ per\ text\ message\ sent.$ $You\ need \ to\ purchase \ a \ plan \ for\ your \ 14-year-old \ sister$ $.Your\ sister\ currently \ uses\ 1,750 \ minutes\ and \ sends\ 1,650 \ texts\ each \ month.$ $(1) What\ is\ your \ sister's\ total\ cost\ under \ each\ of\ the\ two\ plans?$

$(2) Suppose\ your\ sister\ doubles\ her\ monthly\ usage \ to\ 3,500\ minutes \ and\ sends\ 3,300 \ texts.$ $What \ is \ your \ sister's \ total \ cost \ under \ each \ of \ the \ two \ plans?$

Now, to find (1) total cost for each of the two plans. (2) Total cost under each of the two plans, if sister doubles her monthly usage to 3,500 minutes and sends 3,300 texts.

As, the Plan A is for unlimited talk and text

Cost of the Plan A = $92.

Now, to find the cost under Plan B:

According to question:

Rate of call per minute is $0.20 and per text is $0.10.

Calls she uses currently is 1,750 minutes and text 1,650.

So, to get the cost of Plan B:

$0.20\times 1750+0.10\times 1650$