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Y_Kistochka [10]
3 years ago
8

What is the missing numerator?

Mathematics
1 answer:
vitfil [10]3 years ago
8 0

Answer:

6.

Step-by-step explanation:

x/7 - 3/8 = 27/56

Multiply through by 56 , as 7 * 8 = 56 we have:

8x - 3*7 = 27

8x = 27 + 21 = 48

x = 6.

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Please help i'm stuck :,)
Ksju [112]

Answer:

14 minutes below or 6 minutes above

Step-by-step explanation:

Let's say Sophia's time was 10 minutes WORSE

4 minutes below average- 10 minutes= 14 minutes below average

Let's say Sophia's time was ten minutes BETTER

4 minutes below average + 10 minutes= 6 minutes above average.

Hope this helps!

5 0
4 years ago
Read 2 more answers
Find the linear approximation of f(x)=lnx at x=1 and use it to estimate ln(1.38).
RideAnS [48]
\bf f(x)=y=ln(x)\qquad 
\begin{cases}
x=1\\
y=ln(1)\to y=0
\end{cases}\\\\
-----------------------------\\\\
\left. \cfrac{dy}{dx}=\cfrac{1}{x} \right|_{x=1}\implies 1\impliedby m
\\\\\\
\textit{now, we know that }
\begin{cases}
x=1\\
y=0\\
m=1
\end{cases}\implies y-0=1(x-1)\implies y=x-1

now, you're asked to use it when ln(1.38), which is just another way of saying x = 1.38

so set x = 1.38 and see what "y" is
5 0
3 years ago
Write the slope intercept form equation of the line given in graph
Romashka [77]

Answer:

y=-1

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
20) Jermaine's goal is to eat 25 grams of protein each day. If Jermair meets his goal, how many grams of protein will he have ea
Westkost [7]

Answer:750 grams

Step-by-step explanation:

25*30=250 grams after 30 days

3 0
3 years ago
The volume of a sphere is 36 cubic inches. What is the radius of the sphere?
Serjik [45]

Answer:

2.05 inches

Step-by-step explanation:

V = 4/3 x πr³

36=4πr³/3

36x3= 4πr³

108= 4πr³

108/4 = πr³

27= πr^3

27/π =r³

r=

\sqrt[3]{27 \div \pi}

r= 2.048in

round off to 2.05in

<u>PROOF</u>

V = 4÷3 x πr³

V= 4/3 x π(2.05)³

V=4/3 x π8.6

V=4×π×8.6/3

V=108/3

V=36in³

Therefore: radius= <u>2.05 inches</u>

8 0
3 years ago
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