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kolezko [41]
3 years ago
11

What is the percentage increase between 1817 and 1580??

Mathematics
1 answer:
just olya [345]3 years ago
4 0

Answer:

13%

Step-by-step explanation:

Given 1817 and 1580

Increase = 1580 - 1817

= 237

Percentage increase = increase/1817 x 100%

That’s 237/1817 x 100%

0.130 x 100%

13.0

13%

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Can someone please help me. It’s hard and I don’t understand.
raketka [301]

9513 1404 393

Answer:

  • changes by 120 for each copy
  • is 1800 if none are sold

Step-by-step explanation:

Let's look at the second question first.

x is the number of copies Chau sells. If he doesn't sell any copies, then x = 0. To find Chau's pay, we use x=0 in the equation, and solve for y.

  120×0 +1800 = y

  0 +1800 = y

  1800 = y

Chau's pay when he sells no copies is $1800.

__

If Chau sells 1 copy, then his pay is ...

  120×1 +1800 = y = 1920 . . . . . . . use the equation with x = 1

The increase in Chau's pay is 1920 -1800 = 120.

Chau's pay changes by $120 for each copy he sells.

4 0
3 years ago
What is the area of a rectangle that is 3/4 ft wide and 1/12 ft long?
8090 [49]

Answer:

3/8

Step-by-step explanation:

because to find the area you multiply both numbers so 1*3 is 3 and 2*4 is 8 so your answer should be 3/8

5 0
3 years ago
Determine whether the set W is a subspace of R3 with the standard operations. If not, state why.
poizon [28]

Answer:

Step-by-step explanation:

From the given information.

R3 is a vector space over the field R, where R is the set of real numbers.

Where;

The set W = {(0, x2, x3): x2 and x3 are real numbers} is the subspace of \Re³

To proof:

(0,0,0) ∈ W ⇒ W ≠ ∅

Suppose u and v is an element of W;

i.e.

u,v ∈ W (which implies that) ⇒ u (0,x2,x3) and v = (0,y2,y3) are  real numbers.

Then

u+v = (0,x2,x3) +(0, y2, y3)

u+v = (0,x2+y2, x2+y3) ∈ W

⇒ u+v ∈ W  ----- (1)

Now, if we take any integer to be an element  of the real number \Re

i.e

∝ ∈ \Re

∝*\Re = ∝(0,x2,x3)

∝*\Re = (0,x2,x3) ∈ W

⇒ ∝*u ∈ W ------(2)

Thus from (1) and (2), W is a subspace of \Re³

7 0
4 years ago
The radius of a circle is 6 centimeters. What is the area of the circle?
Dmitriy789 [7]

Answer:

Using the formula πr^2, with r=6, the area would be approximately 113.1 cm

6 0
3 years ago
Help please ;-; The values in the table represent a linear function.
Fittoniya [83]

Answer:

The function rule in slope-intercept form is:

y = \frac{1}{2}x-\frac{7}{2}

Step-by-step explanation:

The slope-intercept form of a function is given as:

y = mx+b

Here

m is the rate of change of function and b is the y-intercept

The rate of change is calculated as:

m = \frac{difference\ in\ y}{difference\ in\ x}

For this, any two pairs of input and output can be taken.

So using the pairs (1,-3) and (2,-1)

m=\frac{2-1}{-1+3}\\=\frac{1}{2}

Putting the value of slope in slope-intercept form

y = \frac{1}{2}x+b

Putting (1,-3) in the equation

-3 = \frac{1}{2}(1)+b\\-3 = \frac{1}{2}+b\\b = -3-\frac{1}{2}\\b = \frac{-6-1}{2}\\b= \frac{-7}{2}

Putting the value of b

y = \frac{1}{2}x-\frac{7}{2}

Hence,

The function rule in slope-intercept form is:

y = \frac{1}{2}x-\frac{7}{2}

4 0
3 years ago
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