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3 years ago

(2x2.5x + 3) - (-x? + 4x - 5) simplify

Mathematics

1 answer:

vladimir1956 [14]3 years ago

3 0

5x+3

Step-by-step explanation:

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Write an equation in slope-intercept form for the line that passes through (5,3) and is parallel to x+3y=6.

Grace [21]

Answer:

y= $-\frac{1}{3} x+\frac{14}{3}$

Step-by-step explanation:

A parallel line would have the same left hand side, different right hand side.

Use the point to determine the new right hand side.

6 0

3 years ago

$750,000 is what percent of $3,000,000?<br> Please help

velikii [3]

Answer:

Step-by-step explanation:

Solution for 750000 is what percent of 3000000:

750000:3000000*100 =

(750000*100):3000000 =

75000000:3000000 = 25

Now we have: 750000 is what percent of 3000000 = 25

Question: 750000 is what percent of 3000000?

Percentage solution with steps:

Step 1: We make the assumption that 3000000 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$x.

Step 3: From step 1, it follows that $100\%=3000000$100%=3000000.

Step 4: In the same vein, $x\%=750000$x%=750000.

Step 5: This gives us a pair of simple equations:

$100\%=3000000(1)$100%=3000000(1).

$x\%=750000(2)$x%=750000(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

$\frac{100\%}{x\%}=\frac{3000000}{750000}$

100%

x%=

3000000

750000

Step 7: Taking the inverse (or reciprocal) of both sides yields

$\frac{x\%}{100\%}=\frac{750000}{3000000}$

100%=

750000

3000000

$\Rightarrow x=25\%$⇒x=25%

3 0

3 years ago

Evaluate the following

fgiga [73]

12C5 = 792 5P4 = 120

6 0

3 years ago

Yesterday, there were 80 problems assigned for homework. Harry did 20% of them correctly. How many problems did Harry get right?

konstantin123 [22]

Answer:

16 i think

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

the average annual cost of heating a home woth solar energy is $200 with an inital cost of $9000. During the month of may, the s

Leona [35]

Answer: Discounted function will be

$C(x)=6750+150t$

Step-by-step explanation:

Since we have given that

Initial cost of solar energy = $9000

Average annual cost of heating a home with solar energy = $200

Rate of discount he received on the total cost = 25%

Let the number of year will be t

According to question, we need to write a discounted cost as a function of number of years.

So, our function becomes,

$C(x)=\frac{100-25}{100}(9000+200t)\\\\C(x)=\frac{75}{100}(9000+200t)\\\\C(x)=0.75(9000+200t)\\\\C(x)=9000\times 0.75+200\times 0.75t\\\\C(x)=6750+150t$

Hence, discounted function will be

$C(x)=6750+150t$

8 0

4 years ago