2 years ago

Hey guys im back with some new math content help plz

Mathematics

1 answer:

densk [106]2 years ago

6 0

6/4 I think sooooooooo

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Jose wants to build a model of a 18-meter tall building. He will be using a scale

NeTakaya

You have to use a proportion.

3.5/18= 1.5/x
3.5x=27
x= 7.7 cm

8 0

2 years ago

What is the quotient of 4.68 x 106 and 2.6 x 102 expressed in scientific notation?

zaharov [31]

Answer:

$1.8x {10}^{4}$

Step-by-step explanation:

$4.68x {10}^{6} \div 2.6x {10}^{2} \\ = (4.68 \div 2.6)x {10}^{6 - 2} \\ answer \: is \: 1.8x {10}^{4}$

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2 years ago

Dan was thinking of a number. Dan doubles it and adds 0.8 to get an answer of 58.9. Form an equation with

chubhunter [2.5K]

Answer:

2x + .8 = 58.9

His number, x, is 29.05

Step-by-step explanation:

2x + .8 = 58.9

2x = 58.1

x = 29.05

6 0

3 years ago

Write the equation of a line in standard form that passes through (-2, 5) and is perpendicular to

sdas [7]

Answer:

Step-by-step explanation:

x - 2y = 8

Write this in y = mx +b form

- 2y = -x + 8

Divide the equation by (-2)

$\dfrac{-2y}{-2}=\dfrac{-x}{-2}+\dfrac{8}{-2}\\\\\\y =\dfrac{1}{2}x-4$

Slope = 1/2

The slope of the perpendicular line = -1/m

$=\dfrac{-1}{\dfrac{1}{2}}=1*\dfrac{-2}{1} = -2$

m = -2 , ( -2 , 5)

Equation: y = mx +b

Plug in m = -2 ,x = -2 and y =5

5 = (-2)*(-2) + b

5 = 4 + b

5 - 4 = b

b = 1

Equation of the line:

y = mx +b

y = -2x + 1

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3 years ago

How many zeros are significant figures in a measured mass of 0.010010 g?

tekilochka [14]

Answer: 3

The first two zeros are not sig figs, but the next three zeros are sig figs

4 0

3 years ago