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3 years ago

What's 7⁄8 as a decimal? A. 8.7 B. .875 C. .78 D. 7.8

Mathematics

2 answers:

LuckyWell [14K]3 years ago

3 0

7/8 is equal to 0.875

miss Akunina [59]3 years ago

3 0

7/8 equals .875 ik this because i am in college

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Solve the compound inequalities: −7x−10≤60 and x−7<−6

hoa [83]

Answer:

x= [ -10, 1)

Step-by-step explanation:

Given

−7x−10≤60 and x−7<−6

Solving first one

−7x−10≤60
-7x ≤ 70
x ≥ -10

Solving second one

x−7<−6
x < 7 - 6
x < 1

Combined:

-10 ≤ x < 1

Interval

x= [ -10, 1)

8 0

3 years ago

Ricky earned $102 in 8 hours

Mariulka [41]

102/8 = 12.75

Your answer would be $12.75

Hope this helps!

4 0

3 years ago

Logarithmic to Exponential

jeka57 [31]

$A = B \log_x C\\\\\text{Given that,}~~ A = 11, ~B = 4~ C = 190\\\\~~~~~~~~11 = 4 \log_x (190)\\\\\implies \log_x (190) = \dfrac{11}4\\\\\implies x^{\tfrac{11}4} = 190\\\\\implies x = 190^{\tfrac 4{11}}\\\\ \implies x \approx 6.7397$

4 0

2 years ago

The base of the triangle decreases by 30% and the height increases by 20%.

sergeinik [125]

Answer:

Area decreases by 16%

Step-by-step explanation:

Use formula for the area of the triangle

$A=\dfrac{1}{2}\cdot \text{Base}\cdot \text{Height}$

Initial triangle:

The base is 18 cm

The height is 5 cm

The area is

$A_{initial}=\dfrac{1}{2}\cdot 18\cdot 5=45\ cm^2$

New triangle:

The base is $(1-0.3)\cdot 18=0.7\cdot 18=12.6\ cm$

The height is $(1+0.2)\cdot 5=1.2\cdot 5=6\ cm$

The area is

$A_{new}=\dfrac{1}{2}\cdot 12.6\cdot 6=37.8\ cm^2$

Area decreases by

$100\%-\dfrac{37.8}{45}\cdot 100\%=100\%-84\%=16\%$

5 0

3 years ago

How do you find the answer

liubo4ka [24]

It is E X= 22

J LINE SUPPLEMENTARY ANGLE so
the angle is = 180 - (5x-16 ) = 180-5x +16 =196 -5x ( angle in the triangke )

the other angle in the triangle = 50 ( alt interior angles line l parallel m
then we took the triangle sum = 180

196 -5x + 2x +50 = 180
so x = 22

4 0

3 years ago