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3 years ago

Help please i need the answer quick class ends soon and need a hight grade

Mathematics

2 answers:

Luda [366]3 years ago

8 0

Answer: 14

Step-by-step explanation:

Step 1: Substitute the x and y values:

$\frac{4^3-2^3}{4}$

Step 2: Find 4 to the power of 3.

4 x 4 x 4 = 64

Now find 2 to the power of 3

2 x 2 x 2 = 8

Step 3: Subtract the two values as mentioned in the equation:

64 - 8 = 56

Step 4: Now divide 56 by 4 as mentioned in the equation.

56 ÷ 4 = 14

And... 14 is the answer!

Hope this helps :)

-jp524

stepan [7]3 years ago

7 0

Answer: 14

Step-by-step explanation: LOOK AT MY SCEENSHOT

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Solve the system of equations<br>y = 4x+1<br>y=2+2x-2

Natalija [7]

Answer:

x = -1/2 , y = -1

Step-by-step explanation:

Solve the following system:

{y = 4 x + 1 | (equation 1)

{y = 2 x | (equation 2)

Express the system in standard form:

{-(4 x) + y = 1 | (equation 1)

{-(2 x) + y = 0 | (equation 2)

Subtract 1/2 × (equation 1) from equation 2:

{-(4 x) + y = 1 | (equation 1)

{0 x+y/2 = (-1)/2 | (equation 2)

Multiply equation 2 by 2:

{-(4 x) + y = 1 | (equation 1)

{0 x+y = -1 | (equation 2)

Subtract equation 2 from equation 1:

{-(4 x)+0 y = 2 | (equation 1)

{0 x+y = -1 | (equation 2)

Divide equation 1 by -4:

{x+0 y = (-1)/2 | (equation 1)

{0 x+y = -1 | (equation 2)

Collect results:

Answer: {x = -1/2 , y = -1

5 0

3 years ago

Liula [17]

$\sqrt{((-6)-(-5))^2 +(9-2)^2}=5\sqrt{2} \approx 7.071$

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1 year ago

If the sales price is 55.50, and the discount is 75%, what is the original price

yaroslaw [1]

Answer:

£74

Step-by-step explanation:

£55.50 = 75%

Find 1% of discounted price by dividing both sides by 75 :

£0.74 = 1%

Using 1%, multiply by 100% to find original price :

£74 = 100%

Check our answer :

£74 × 0.75 (75%) = £55.50 ✅

Hope this helped and brainliest please

4 0

2 years ago

Read 2 more answers

Please help me determine the equation of the line in slope intercept form and show all work. A line that is perpendicular to the

Airida [17]

Answer:

y=-2x+160

Step by Step:

The equation of a line can be determined using the point slope formula:

y-y1=m (x-x1)

To make a substitution, we must ensure we have the correct information. The question gives:

y1=60

x1=50

y=1/2x+10 This is the formula of a line that is perpendicular to the one we are trying to find.

It tells us that the gradient of the perpendicular line is 1/2. The gradient of the line we are trying to find can be found using m1×m2=-1 because we know that when lines are perpendicular, the product of their gradients must equal 1

So if we replace m1 with 1/2

1/2×m2=-1

m2=-2

We now have all the relevant information to make a substitution:

y-60=-2 (x-50)

expand brackets

y-60=-2x+100

rearrange to get in the form y=mx+b

y=-2x+160

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4 years ago

The radius of a circle is 4 feet. What is the area?

ANEK [815]

Abswer is here

100.571429

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3 years ago