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3 years ago

How many rectangular faces does a triangular prism have

1 answer:

7 0

Extra info added. Two of its faces are triangles; three of its faces are rectangles.
It has six vertices and nine edges.
Has 5 faces.

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Solve |x + 7| < 6 its for homework

Semmy [17]

Ok so if you follow the process of pemdas is should be easy pemdas equals: parentheses, exponents, multiple and divide from left to right, lastly add and subtract from left to right

3 0

2 years ago

Ms Rochelle wants to put 29 students into groups of 6. How many groups of 6 can she make ?

garik1379 [7]

Start by dividing 29/6, if you know your multiples you know 5*6 is 30, and since 29 is less than thirty, 29/6 has to be less than 5. since you can only have a whole number of groups, she can only make 4 groups of six

ANSWER: 4

5 0

2 years ago

HELP 20 POINTS PLZ RAHHHH

schepotkina [342]

Answer:

answer is option D : 42m+12

7 0

3 years ago

The perimeter of a rectangle is 42 inches, and its area is 110 square inches. find the length and width of the rectangle.

lorasvet [3.4K]

$p = 2w + 2l$ $p = 42$
$a = l * w$ $a = 108$

You want to make either the length or width variable (I chose the width variable to be by itself. It doesn't matter) by itself by:

Divide both sides by 2.
(p) ÷ 2 = (2w + 2l) ÷ 2
$2's$ $cancel$ $out$
$\frac{p}{2} = w + l$

Subtract both sides by either length or width depending on what variable you chose to make by itself (in this case I subtracted the length variable because I wanted the width variable by itself).
$\frac{p}{2} - l = w + l - l$
$l's$ $cancel$ $out$
p/2 - l = w

$a = l * w$

You replace w with the equation above p/2 - l = w
$a = l( \frac{p}{2} - l)$

Multiply out the L.
$a = \frac{p}{2}l - l^{2}$

Plug in all your numbers a = 110 and p = 42
$110 = \frac{42}{2}l - l^{2}$
$110 = 21l - l^{2$

Move everything to the left side so $l^{2}$ would be positive (makes the equation easier when $l^{2}$ is positive).
$l^{2} - 21l + 110 = 0$

Factor.
$(l -10)(l-11) = 0$

Make each parenthesis set equal to 0.
$l-11=0$ $l-10=0$

Add.
$l = 11$ $l = 10$

By doing this you solve for both the width and length so the answer is:
w = 11 L = 10

8 0

3 years ago

Equation:y=5/3x+5 Slope:5/3 y-intercept:?

Anettt [7]

The y intercept will be 5

4 0

2 years ago

Read 2 more answers