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3 years ago

5

What is 200 +90 + 3 in standard form?

1 answer:

xxTIMURxx [149]3 years ago

4 0

Answer: 293

200 = 2

90 = 9

3 = 3

Answer is 293.

Hope this helps!

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At the local college, a study found that students earned an average of 14 credit hours per semester. A sample of 138 students wa

77julia77 [94]

Answer:

1932 credit hours

Step-by-step explanation:

Create a proportion

credits credits

---------- = ----------

students students

14 ?

---- = -----

1 138

14 times 138

1932 credit hours

6 0

3 years ago

The cost of the muffin mix is $1.29 for 0.8 ounces what is the unit rate

rewona [7]

$1.032: 1 ounce

You just multiply 1.29 by 0.8. (I'm terrible at explaining)

3 0

3 years ago

Write a quadratic function, in standard form, that fits the set of points. Solve it as a system of three equations. (-4, 9), (0,

Tresset [83]

Answer:

$\boxed{y=2x^2+4x-7}$

Step-by-step explanation:

Let the quadratic function be

$y=ax^2+bx+c$

We substitute $(-4,9)$ into the equation to obtain;

$9=a(-4)^2+b(-4)+c$

$\Rightarrow 9=16a-4b+c---(1)$

We substitute $(0,-7)$ to obtain;

$-7=a(0)^2+b(0)^2+c$

$\Rightarrow c=-7---(2)$

We finally substitute $(1,-1)$ to obtain;

$-1=a(1)^2+b(1)^2+c$

$\Rightarrow -1=a+b+c---(3)$

We put equation (2) into equation (1) to get;

$9=16a-4b-7$

$16a-4b=16$

$\Rightarrow 4a-b=4---(4)$

$\Rightarrow -1=a+b-7$

$\Rightarrow a+b=6---(5)$

We add equation (4) and (5) to get;

$4a+a=6+4$

$\Rightarrow 5a=10$

$\Rightarrow a=2$

We put $a=2$ into equation (5) to get;

$2+b=6$

$\Rightarrow b=6-2$

$\Rightarrow b=4$

The reqiured quadratic function is

$y=2x^2+4x-7$

7 0

3 years ago

as you did during the lesson, label and represents the product or quotient by drawing disks on the place value chart 10 x 4 thio

Naily [24]

Answer : 40,000

Explanation : when multiplying 10 with 4,000 we get

4000 X 10 = 40,000.

As we multiply, using the chart there are 4 thousand present in the row of thousand column. When we multiply that with 10 it gets shifted to left and becomes 40,000.

6 0

3 years ago

A regulation baseball field measures 90 feet between each base. What is the distance around the bases in yards?

Naddika [18.5K]

Home to 1st base = 90 ft
1st base to 2nd base = 90 ft
2nd base to 3rd base = 90 ft
3rd base to home = 90 ft
so we have a total of : (90 * 4) = 360 ft

there are 3 ft in 1 yd....
so in 360 ft, there are : 360/3 = 120 yds <==

or u could just figure it between each base....90 ft = (90/3) = 30 yds per base...and u have 4 bases....so that (4 * 30) = 120 yds

4 0

4 years ago