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Grace [21]
3 years ago
5

PLEASE HELP ME GUYS. Marshall wants to buy schools supplies. To estimate the total costs, he rounds each price to the nearest do

llar and adds the rounded prices. What is his estimate for the total cost of these two items?
Stapler: $9.45

Notebook: $5.81

Mathematics
1 answer:
nasty-shy [4]3 years ago
5 0

Answer:

Step-by-step explanation:

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1. Thom has a scale model of his car. The
MariettaO [177]

x =\frac{4}{3}inch is the size in wheels on the scale model .

<u>Step-by-step explanation:</u>

Correct Question : Tom has a scale model of his car. The scale factor is 1 : 12. If the actual car has 16-inch wheels, what size are the wheels on the scale model?

We have , The scale factor is 1 : 12. We need to find If the actual car has 16-inch wheels, what size are the wheels on the scale model .Let's find out:

Ratio of size of wheels to actual size of wheels is 1:12 , but actual car has 16-inch wheels So ,

⇒ \frac{1}{12}  = \frac{x}{16}                 { x is size of wheel in scale model }

⇒ \frac{1(16)}{12}  = \frac{x}{16}(16)

⇒ x =\frac{16}{12}

⇒ x =\frac{4}{3}inch

Therefore , x =\frac{4}{3}inch is the size in wheels on the scale model .

5 0
4 years ago
Sharonda is plotting quadrilateral PQRS on the graph below. She will plot the fourth and
lana [24]

Answer:

11 units

Step-by-step explanation:

Length of side PS can be calculated using the distance formula, d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

Where,

P(-2, 5) = (x_1, y_1) (the coordinate of P is gotten from the graph)

S(9, 5) = (x_2, y_2) (given)

PS = \sqrt{(9 - (-2))^2 + (5 - 5)^2}

PS = \sqrt{(11)^2 + (0)^2}

PS = \sqrt{121} = 11 units

3 0
4 years ago
A computer store buys a computer system at a cost of $370.80. Then selling price was first at $618, but then the store advertise
Charra [1.4K]

Answer:

The answer is 494.40$

Step-by-step explanation:

618*80=49440

49440/100=494.40

3 0
3 years ago
Does anyone know how to solve this??
katen-ka-za [31]

Answer:

y = g(x) = 1 +  \sqrt{x}

4 0
3 years ago
The sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that is 8 
julsineya [31]
Good afternoon, 

First side= 8cm 
Third side= x
Second side= 2x-4

We know that the sume of the lenghts of any two sides must be greater than the third side, so:

Second \,\,\,\,side+Third\,\,\,\,side>First\,\,\,\,side \\ 2x-4 + x >8 \\ 3x>12 \\ x>4&#10;

<span>Answer: Third side= x                        ;         where: x>4 or (4,+infinity)
                Second side= 2x-4              ;        </span><span> where: x>4 or (4,+infinity)</span>
3 0
3 years ago
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