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3 years ago

8 less than a number is less than or equal to 5

Mathematics

1 answer:

postnew [5]3 years ago

6 0

Answer:

x-8<_5

Step-by-step explanation:

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natta225 [31]

Answer:

Just graph the first function from x= -4 to 3 then graph the other function from x=3 to 6

Step-by-step explanation:

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3 years ago

Solve the system by substitution.

hram777 [196]

Answer:

1st, keep value of x in 1st equation

Step-by-step explanation:

-6(-2y-1)+2y=48

12y+6+2y=48

14y=48-6

y=42/14

y=3

Now putting value of y in equation ii)

x= - 2y-1

x= - 2×3-1

x= - 6-1

x= - 7

Therefore, x= - 7

y=3

8 0

3 years ago

An individual rides a bike at a rate of 15 miles per hour for h hours. Write an equation that expresses the situation, let x be

Ivenika [448]

Answer:

15y+x

Step-by-step explanation:

7 0

3 years ago

Find the values of x and y.

alukav5142 [94]

x+x+90=180

x+x+90=1802x+90=180

x+x+90=1802x+90=1802x=180-90

x+x+90=1802x+90=1802x=180-902x=90

x+x+90=1802x+90=1802x=180-902x=902x/2x =90/2

x=45

9y+9y+90=180

18y+90=180

18y=180-90

18y=90

18y/18 =90/18

y=5

4 0

3 years ago

PLEASE HELP ASAP, PUT INTO NORMAL NUMBERS, STANDARD FORM?

Masteriza [31]

Given:

The numbers are written in scientific notation.

To find:

The standard form of given numbers.

Solution:

Formula used:

$a^{-n}=\dfrac{1}{a^n}$

(a)

$7.2\times 10^{-8}=7.2\times \dfrac{1}{10^8}$

$7.2\times 10^{-8}=\dfrac{7.2}{1000000000}$

$7.2\times 10^{-8}=0.000000072$

(b)

$6.3\times 10^{-9}=6.3\times \dfrac{1}{10^9}$

$6.3\times 10^{-9}=\dfrac{6.3}{10000000000}$

$6.3\times 10^{-9}=0.0000000063$

(c)

$4.54\times 10^{-5}=4.54\times \dfrac{1}{10^5}$

$4.54\times 10^{-5}=\dfrac{4.54}{100000}$

$4.54\times 10^{-5}=0.0000454$

(d)

$7.041\times 10^{-10}=7.041\times \dfrac{1}{10^{10}}$

$7.041\times 10^{-10}=\dfrac{7.041}{100000000000}$

$7.041\times 10^{-10}=0.0000000007041$

Therefore, $7.2\times 10^{-8}=0.000000072, 6.3\times 10^{-9}=0.0000000063, 4.54\times 10^{-5}=0.0000454,$

$7.041\times 10^{-10}=0.0000000007041$ .

8 0

3 years ago

8 less than a number is less than or equal to 5 ​

8 less than a number is less than or equal to 5