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MariettaO [177]
3 years ago
13

Cynthia was asked to subtract 0.223 from 0.54. Which of the following is the best estimate that cynthia can make to check her an

swer?
Mathematics
1 answer:
Zigmanuir [339]3 years ago
7 0
I need help with this one too , can you guys please help us


In desperate need

Answer :
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Find the gradient of the line segment between the points (-2,2) and (0,6).<br> I
liberstina [14]

Answer:

rise 4, run -2. the gradiant is 2

Step-by-step explanation:

(X1,Y1)___(X2,Y2)

 |   |             |     |

(-2,2)_____(0,6)

X1-X2, Y1-Y2.

-2-0= -2= (-2,_)

2-6= 4= (_,4)

(-2,4)

3 0
3 years ago
Please help me with this. Evalua cada expresion si a = -4, b = -7 y c = 5
nydimaria [60]
Ab= 28

(bc)^3= -42875

-3c^2= 225

I hope it's right..
6 0
3 years ago
Given: f(x) = x - 7 and h(x) = 2x + 3
Kisachek [45]

Answer:

2nd option

Step-by-step explanation:

to find f(h(x)) substitute x = h(x) into f(x) , that is

f(h(x))

= f(2x + 3)

= 2x + 3 - 7

= 2x - 4

3 0
2 years ago
A car traveling at a constant speed travels 1000 ft in 12 seconds. how long in hours will it take to travel 175 miles?
artcher [175]

9514 1404 393

Answer:

  3.08 hours

Step-by-step explanation:

We assume you're interested in the time in hours.

  175\text{ mi}\times\dfrac{12\text{ s}}{1000\text{ ft}}\times\dfrac{5280\text{ ft}}{1\text{ mi}}\times\dfrac{1\text{ h}}{3600\text{ s}}=\dfrac{175\times12\times5280}{1000\times3600}\text{ h}=\boxed{3.08\text{ h}}

It will take 3.08 hours to travel 175 miles at that speed.

7 0
3 years ago
YOUR TURN
Karolina [17]

Answer:

The equation is: <em>y</em> = 15·<em>x</em>

Step-by-step explanation:

It is provided that at the Speedy Bike Works, 15 bicycles are produced each hour.

Consider the table below.

                    Number of Hours:       1          3          6          10

Number of Bicycles Produced:      15        45        90       150

Compute the ratio of number of bicycles produced and number of hours for every data above as follows:

\text{1 hour}=\frac{15}{1}=15:1\\\\\text{3 hour}=\frac{45}{3}=\frac{15}{1}=15:1\\\\\text{6 hour}=\frac{90}{6}=\frac{15}{1}=15:1\\\\\text{10 hour}=\frac{150}{10}=\frac{15}{1}=15:1

The ratio of the number of bicycles produced and number of hours is same for every data value.

Thus, the relationship between the number of bicycles produced and number of hours is proportional.

The equation for the relationship is:

<em>y</em> = 15·<em>x</em>

<em>y</em> = number of bicycles produced

<em>x</em> = number of hours

4 0
3 years ago
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