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3 years ago

7

What is the value of mza+mub?

1 answer:

morpeh [17]3 years ago

3 0

I don’t know the answer sorry

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Factor completely 4xy − 7x + 20y − 35.

kati45 [8]

Answer:

A) $(x+5)(4y-7)$

Step-by-step explanation:

Given expression:

$4xy-7x+20y-35$

To factor the given expression completely.

Solution:

In order to factor the expression, we will factor in pairs.

$(4xy-7x)+(20y-35)$

We will factor the G.C.F of the terms in the pairs.

G.C.F. of $4xy$ and $7x$ can be given as:

$4xy=4.x.y$

$-7x=7.x$

Thus, G.C.F. = $x$

G.C.F. of $20y$ and $35$ can be given as:

$20y=2\times 2 \times 5.y$

$35=5\times 7$

Thus, G.C.F. = $5$

The expression after factoring the G.C.F. pairs is given as:

$x(4y-7)+5(4y-7)$

Taking G.C.F. of the whole expression as $(4y-7)$ is a common term.

$(x+5)(4y-7)$

The expression is completely factored.

3 0

3 years ago

Read 2 more answers

The angles of a triangle are 42º, 63º, xº.<br><br> What is the value of x?

MakcuM [25]

75 degrees because 42+63=105
180-105=x

6 0

4 years ago

Read 2 more answers

HELP ASAP WILL MARK BRAINLIEST AREA OF FIGURES

Lerok [7]

Answer:

1. 170.083 in³

2. 126π in³

3. 92.106 m³

4. 2412.74 in³

5. 612π m³ and 1922 m³

Step-by-step explanation:

1.

Cylinder:

$V = \pi r^{2}h$ *Plug in numbers*

$(3.14)(2.5)^{2}(7)$ *Square 2.5*

$(3.14)(6.25)(7)$ *Solve*

≈ $137.375in^{3}$

Sphere:

$V = \frac{4}{3}\pi r^{3}$ *Plug in numbers*

$\frac{4}{3} (3.14)(2.5)^{3}$ *Cube 2.5*

$\frac{\frac{4}{3}(3.14)(15.625)}{2}$ *Divide by 2 and Solve*

≈ $32.7083 in^{3}$

Add both volumes

$137.375 + 32.7083$ ≈ $170.083in^{3}$

2.

Cylinder:

$V = \pi r^{2}h$ *Plug in numbers*

$\pi (3)^{2}(10)$ *Square 3*

$\pi (9)(10)$ *Multiply*

$90\pi$

Sphere:

$V = \frac{4}{3}$ π $r^{3}$ *Plug in numbers*

$\frac{4}{3}\pi (3)^{3}$ *Cube 3*

$\frac{4}{3} \pi (27)$ *Multiply*

$36\pi$

Add both Volumes to get total

$90\pi + 36\pi = 126in^{3}$

3.

Sphere:

$V = \frac{4}{3}\pi r^{3}$ *Plug in numbers*

$\frac{4}{3} (3.14)(3)^{3}$ *Cube 3*

$\frac{4}{3} (3.14)(27)$ *Multiply*

$113.04m^{3}$

Cone:

$V = \frac{\pi r^{2}h}{3}$ *Plug in numbers*

$\frac{(3.14)(2)^{2}(5)}{3}$ *Square 2*

$\frac{(3.14)(4)(5)}{3}$ *Solve*

$20.93m^{3}$

Subtract the volumes to get the volume of the blue area

$113.04 - 20.93 = 92.106m^{3}$

4.

Sphere:

$V = \frac{4}{3} \pi r^{3}$ *Plug in numbers*

$\frac{4}{3}\pi (8)^{3}$ *Cube 8*

$\\\frac{4}{3}\pi (512)$ *Multiply*

$\\\\\pi (682.6)$ *Solve*

$2133.66in^{3}$ *Divide by 2 since it's a hemisphere*

Cone:

$V = \frac{\pi r^{2}h}{3}$ *Plug in numbers*

$\frac{\pi (8)^{2}(20)}{3}$ *Square 8*

$\frac{\pi (64)(20)}{3}$ *Multiply and Divide*

$1340.41 in^{3}$

Add both volumes

$1072.33 + 1340.41 = 2412.74in^{3}$

5.

Cylinder:

$V = \pi r^{2}h$ *Plug in numbers*

$\pi (6)^{2}(16)$ *Square 6*

$\pi (36)(16)$ *Multiply*

$576\pi$

Cone:

$V = \frac{\pi r^{2}h}{3}$ *Plug in numbers*

$\frac{\pi (6)^{2}3}{3}$ *Square 6*

$36\pi$

Add both volumes

$576\pi + 36\pi = 612\pi m^{3}$

Alternative: *Multiply π*

$1922m^{3}$

4 0

3 years ago

Read 2 more answers

Please help me to solve this problem

WARRIOR [948]

Answer:

12

Step-by-step explanation:

let x be the broken ht. then hypotenuse will be 18-x.

sin 30 = x/(18-x)

1/2 = x/(18-x)

18-x = 2x

3x = 18

x = 6

18-6 is the ht of broken part which is 12

7 0

3 years ago

Ruby read 0.85. Of a book what fraction of the book does ruby have left to read? Write in simplest fom

lbvjy [14]

3/20 left to read. If you start 85/100 you take 100-85 and get 15, then you end up 15/100 which reduces to 3/20.

4 0

3 years ago