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Vesna [10]
3 years ago
11

How to find d the values of x and y

Mathematics
1 answer:
stich3 [128]3 years ago
8 0
Attached solution with detailed work.

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I NEED HELP !!!!!!!!!
marissa [1.9K]

Answer:

b

d

e

Step-by-step explanation:

the standar form is

ax^{2} +bx+c=0

so it's

0.5x^{2} -3.2x+5.8=0\\\\-x^2-3x+20=0\\\\\frac{1}{2}x^2+4x-3=0\\\\

only that

7 0
3 years ago
A spherical cantaloupe is cut in half. The visible cross-section has an area of 5252 in2. The volume of the cantaloupe is _____
artcher [175]

Answer:

V = 286319.465 cm3

Step-by-step explanation:

First, you have to find the radius to be able to find the volume of a sphere.

The equation for the area of a circle is pi r^2 so you have to so some algebra.

5252 = pi r ^2

5252/pi = r^2

1671.76352 = r^2

sqrt(1671.76352) = r

r = 40.8872048

then you do the equation for the volume of a circle which is 4/3 pi r^3

4/3 pi (40.8872048)^3

4/3 pi 68353.7373

4/3 214739.599

286319.465

V = 286319.465 cm3

6 0
2 years ago
Plz help me answer this
kow [346]

Answer:

140

Step-by-step explanation:

Solve 40% of 350.

8 0
3 years ago
Read 2 more answers
What is the solution for this inequality? 5x ≤ 45
Likurg_2 [28]

Answer:

x\leq 9

Step-by-step explanation:

So we have the inequality:

5x\leq 45

Divide both sides by 5:

x\leq 9

And, we're done!

This means that the solution of the inequality is all values less than or equal to 9.

I hope this helps!

5 0
3 years ago
Read 2 more answers
(07.05 HC)
lianna [129]

Answer:

c

Step-by-step explanation:

2×8=16

not 10 that is why c is correct

8 0
3 years ago
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