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Aleonysh [2.5K]
2 years ago
15

Write as an algebraic expression. "The difference between a number and -13

Mathematics
1 answer:
melisa1 [442]2 years ago
3 0
n - (-13)
= n + 13
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Cual es la ecuación recta de m=2 y p (2,3)
Anton [14]

Answer:

y=2x-1

Step-by-step explanation:

use slope formula

the substitute into slope intercept form

6 0
3 years ago
Can you do this question
Sauron [17]
Since it decreases 2.75 then it will give you the answer of 20.75
4 0
2 years ago
Trapezoid PQRS is rotated 180 degrees about the origin to form trapezoid P'Q'R'S
kirill115 [55]

Answer:

The angle measures of trapezoid PQRS are equal to the corresponding angle measures of trapezoid P'Q'R'S'.

Step-by-step explanation:

3 0
2 years ago
If w = 10 units, x= 5 units, and y= 6 units, what is the surface area of the figure?
qwelly [4]

Answer:

  456.2 units²

Step-by-step explanation:

The area of the square base is ...

  base area = w² = (10 units)² = 100 units²

The lateral area is 4 times the area of one rectangular face:

  lateral area = 4wx = 4(10 units)(5 units) = 200 units²

The area of one triangular face is half the product of its base length (w) and its slant height (h). The latter is found using the Pythagorean theorem:

  h² = y² +(w/2)² = (6 units)² +((10 units)/2)² = 61 units²

  h = √61 units

So, the area of 4 triangles is ...

  area of triangular faces = 4(1/2)wh = 2(10 units)(√61 units) ≈ 156.2 units²

__

Now we have the areas of the parts, so we can add them together to get the total surface area:

  surface area = base area + lateral area + area of triangular faces

  = 100 units² + 200 units² + 156.2 units²

  surface area = 456.2 units²

4 0
3 years ago
A youth sports league held various fundraisers. They received $350 from a car wash, $337 from a bake sale, and $490 from a used
mina [271]

Given that the received amount was $350 from a car wash, $337 from a bake sale, and $490 from a used equipment sale.

Also, the interest rate is 2.2 % and the time period is 3 years.

Thus, the total amount is as follows:

\begin{gathered} \text{Total amount = 350+337+490} \\ \text{Total amount = }1177 \end{gathered}

Next, the accumulated amount can be calculated as follows:

\begin{gathered} Accumulated\text{ amount = P(1+}\frac{R}{100})^n \\ Accumulated\text{ amount }=\text{ 1177(1+}\frac{2.2}{100})^3 \\ Accumulated\text{ amount }=1177(\frac{102.2}{100})^3 \end{gathered}

Further, solve the obtained result as follows:

\begin{gathered} Accumulated\text{ amount }=\text{ 1177}\times(1.022)^3 \\ Accumulated\text{ amount }=1177\times1.067 \\ Accumulated\text{ amount }=1256.40 \end{gathered}

Thus, the league will have $1256.40 in their account after 3 years.

5 0
1 year ago
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