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Sati [7]
2 years ago
11

Help ME!

Mathematics
1 answer:
Vikki [24]2 years ago
5 0

Answer:

Q1: 42

Q8: 10

Step-by-step explanation:

PEMDAS

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Find the gradient, picture below
hoa [83]

Answer:

\frac{dy}{dx}  =  \frac{13}{8}

Step-by-step explanation:

y = 2x + 6 {x}^{ -  \frac{1}{2} }  \\  \frac{dy}{dx} = 2 + 6( -  \frac{1}{2}) {x}^{ -  \frac{1}{2} - 1 }   \\  \frac{dy}{dx}  = 2 - 3 {x}^{ -  \frac{3}{2} }  \\ \frac{dy}{dx}  = 2 -  \frac{3}{ \sqrt{ {x}^{3} } }

When x = 4,

\frac{dy}{dx}  = 2 -  \frac{3}{ \sqrt{ {4}^{3} } }  \\  =  \frac{13}{8}

3 0
3 years ago
Read 2 more answers
5x + 10 &gt; 35<br> How do you work this out?
Alexxx [7]

Answer:

x > 5

Step-by -step explanation:

Solving inequalities is similar to solving equations.

5x + 10 > 35

Subtract 10 from both sides.

5x > 25

Divide by 5 from both sides to isolate the x.

x > 5

3 0
3 years ago
Read 2 more answers
Javier has basket of oranges and apples. The number of oranges is more than twice the number of apples in the basket. The differ
ser-zykov [4K]

Answer:

Its actually one solution it is solvable and only has one solution

Step-by-step explanation:

7 0
3 years ago
Tbh I got no clue how to do this so help please
kipiarov [429]

Answer:

I'm not entirely sure but I think you have to start by negative -1 and move back 4 spaces?

Step-by-step explanation:

the Red arrows is pointing towards the negative side of the number line

6 0
3 years ago
Greek architects considered a rectangle whose length was approximately 1.6 times its width to be the most visually appealing. fi
Oliga [24]
Let
x-------------> <span>the length of a rectangle
y-------------> the </span>width of a rectangle
we know that
x+y=130-----------> equation 1
and
x=1.6y--------------> equation 2

<span>I substitute 2 in 1
(1.6y)+y=130-------------> 2.6y=130------------> y=130/2.6------> y=50 ft
x=1.6y--------> x=1.6*50---------> x=80 ft

the answer is
</span>the length is 80 ft
 the width is 50ft
3 0
3 years ago
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