All categories

3 years ago

WILL MARK BRAINLIEST!!! I need the answer. please help!!!!

Mathematics

1 answer:

zubka84 [21]3 years ago

5 0

Answer:

Step-by-step explanation:

Later area of Pyramid = 2 * 1/2 * 9 * 12.3 + 2*1/2*11*11.9

= 9*12.3 + 11*11.9

= 110.7 +130.9

= 241.60 sq.feet

You might be interested in

Simplify a^2-3a2 a^3-8a^2+12a to lowest terms

inn [45]

Answer:

$\frac{a-3}{(a-2)(a-6)}$

Step-by-step explanation:

$a^{2}-3a$ has the common multiple of a. If you factor it out, you get $a(a-3)$ .

$a^3-8a^2+12a$ also has a common multiple of a. Once factored, you get $a(a^2-8a+12)$ . This equation can be further factored to get $(a-2)(a-6)$ .

Put these two expressions over one another and you get $\frac{a-3}{(a-2)(a-6)}$ .

6 0

2 years ago

Unit 8: Right Triangles & Trigonometry Homework 3

Genrish500 [490]

Can you post the image because I need to clarify in your trigonometry hw

5 0

3 years ago

Can someone help me really quick

Elena L [17]

In your 30° - 60° - 90° triangle, the ratios of the sides are
.. PR : QR : PQ = 1 : √3 : 2

A) QR/PQ = (√3)/2 . . . . . TRUE

B) PR/PQ = 1/2, not (√3)/2 . . . . false

C) QR/PR = (√3)/1 . . . . . TRUE

D) PQ/PR = 2/1, not √3 . . . . . . .false

E) QR/PR (see C) . . . . . . . . . . .false

F) PQ/PR = 2/1 . . . . . . . .TRUE

8 0

3 years ago

1, 3, 9, 27, ... What's the pattern rule and the next three numbers?

ddd [48]

Answer:

multiply by three

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Find the equation of the line that passes through (0, -3) and is parallel to

Tresset [83]

Hey there!

$\\$

Answer:

$\green{\boxed{\red{\bold{\sf{y = \dfrac{7}{6}x - 3}}}}}$

$\\$

Explanation:

To find the equation of a line, we first have to determine its slope knowing that parallel lines have the same slope.

Let the line that we are trying to determine its equation be $\: \sf{d_1} \:$ and the line that is parallel to $\: \sf{d_1} \:$ be $\: \sf{d_2} \:$ .

$\sf{d_2} \:$ passes through the points (9 , 2) and (3 , -5) which means that we can find its slope using the slope formula:

$\sf{m = \dfrac{\Delta y}{\Delta x} = \dfrac{\green{y_2} - \orange{y_1}}{\red{x_2} - \blue{x_1 }}}$

$\\$

⇒Subtitute the values :

$\sf{(\overbrace{\blue{9}}^{\blue{x_1}}\: , \: \overbrace{\orange{2}}^{\orange{y_1}}) \: \: and \: \: (\overbrace{\red{3}}^{\red{x_2}} \: , \: \overbrace{\green{-5}}^{\green{y_2}} )}$

$\implies \sf{m = \dfrac{\Delta y}{\Delta x} = \dfrac{\green{-5} - \orange{2}}{\red{ \: \: 3} - \blue{9 }} = \dfrac{ - 7}{ - 6} = \boxed{ \bold{\dfrac{7}{6} }}}$

$\sf{\bold{The \: slope \: of \: both \: lines \: is \: \dfrac{7}{6}}}$ .

Assuming that we want to get the equation in Slope-Intercept Form, let's substitute m = 7/6:

Slope-Intercept Form:

$\sf{y = mx + b} \\ \sf{Where \: m \: is \: the \: slope \: of \: the \: line \: and \: b \: is \: the \: y-intercept.}$

$\implies \sf{y = \bold{\dfrac{7}{6}}x + b}$ $\\$

We know that the coordinates of the point (0 , -3) verify the equation since it is on the line $\: \sf{d_1} \:$ . Now, replace y with -3 and x with 0:

$\implies \sf{\overbrace{-3}^{y} = \dfrac{7}{8} \times \overbrace{0}^{x} + b} \\ \\ \implies \sf{-3 = 0 + b} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \implies \sf{\boxed{\bold{b = -3}} } \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

Therefore, the equation of the line $\: \bold{d_1} \:$ is $\green{\boxed{\red{\bold{\sf{y = \dfrac{7}{6}x - 3}}}}}$

$\\$

▪️Learn more about finding the equation of a line that is parallel to another one here:

↣brainly.com/question/27497166

8 0

1 year ago

Read 2 more answers

WILL MARK BRAINLIEST!!! I need the answer. please help!!!!​

WILL MARK BRAINLIEST!!! I need the answer. please help!!!!