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2 years ago

Find the value of x. 140 40 A. 50 B. 90 C. 20 D. 70

Mathematics

1 answer:

Norma-Jean [14]2 years ago

6 0

The answer is A. 50

2x + 40 = 140
2x = 140 - 40
2x = 100
x = (100 / 2 )
x = 50

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The graph of f(x)=√x Is shifted four units up and five units to the right. What is the equation of the resulting graph?

RoseWind [281]

A vertical shift adds/subtracts a constant to/from every y-coordinate while leaving the x-coordinate unchanged. A horizontal shift adds/subtracts a constant to/from every x-coordinate while leaving the y-coordinate unchanged. Vertical and horizontal shifts can be combined into one expression.

Shifting up or to the right means add

Shifting down or to the left means subtract

the 3rd option is the correct one

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2 years ago

What is the measure of RPQ

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Answer:

239

Step-by-step explanation:

SP is the diameter so Arc RP is supplementary to Arc SR

$31 + x = 180$

$x = 149$

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$90 + x = 180$

$x = 90$

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3 years ago

M 1 = (2x + 28) m 3= (6x + 4) What is m<2 Enter your answer in the box.

s2008m [1.1K]

Answer:

m∠2 = 140°

Step-by-step explanation:

m∠1 = m∠3, since they're vertical angles.

Solve for x:

$2x+28=6x+4\\24=4x\\6=x$

Plug in 6 for x for either m∠1 or m∠3. Doesn't matter since they're equal.

m∠1 = (2(6) + 28)°

m∠1 = (12 + 28)°

m∠1 = 40°

Now that we know m∠1, we can now solve for m∠2.

m∠1 + m∠2 = 180°

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m∠2 = 140°

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3 years ago

Each triangular face

Paraphin [41]

Answer:

72 cm3

Step-by-step explanation:

area of triangle is 1/2 base x height

1/2 (3 x 4) = 6

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3 years ago

Read 2 more answers

Show work and explain with formulas if possible.

german

12 Answer: 20.25

Step-by-step explanation:

$a_1=4,\ r=1.5,\ n=5\\\\a_n=a_1\cdot r^{n-1}\\\\a_5=4\cdot (1.5)^{5-1}\\\\.\ =4\cdot (1.5)^4\\\\.\ =4\cdot 5.0625\\\\.\ =\large\boxed{20.25}$

13 Answer: 1980

Step-by-step explanation:

$a_1=8,\ d=4, \n=30\\\\a_n=a_1+d(n-1)\\\\a_{30}=8+4(30-1)\\\\.\ =8+4(29)\\\\.\ =8+116\\\\.\ =124\\\\\\S_n=\dfrac{a_1+a_n}{2}\cdot n\\\\\\S_{30}=\dfrac{8+124}{2}\cdot 30\\\\\\.\quad =\dfrac{132}{2}\cdot 30\\\\\\.\quad =66\cdot 30\\\\\\.\quad =\large\boxed{1980}$

16 Answer: 12

Step-by-step explanation:

$\sum\limits^\infty_{n=1} 6\bigg(\dfrac{1}{2}\bigg)^{n-1}\\\\\\S_1=6\qquad \qquad S_2=3\qquad \qquad S_3=1.5\\\\\\\sum\limits^\infty_{n=1} 6\bigg(\dfrac{2}{2^n}\bigg)=\sum\limits^\infty_{n=1} 6\cdot 2\bigg(\dfrac{1}{2^n}\bigg)=12+\sum\limits^\infty_{n=1}\bigg(\dfrac{1}{2^n}\bigg)=12+0=\large\boxed{12}$

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3 years ago

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