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yuradex [85]
3 years ago
10

In which tables does y vary directly with x? Check all that apply

Mathematics
1 answer:
ratelena [41]3 years ago
5 0

Answer:

first three

Step-by-step explanation:

go directly to the x- value ed2020

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Michael has 225 milliliters of a liquid. To find out the number of grams of calcium in this liquid, Michael multiplies the volum
bija089 [108]
In mathematical operations with significant figures the answer must r<span>eflects the reliability of the least precise number. 225 has three significant figures, whereas 0.015 has two -leading zeroes are not significant figures, so our answer must have two significant figures to reflect the reliability of the number 0.015, which has two significant figures.
</span>
225*0.015=3.4

We can conclude that <span> the number representing the amount of calcium in the liquid will have two significant figures.</span>
5 0
3 years ago
answer please help 50! Points!!! Name the factors that animals and humans use to determine echolocation
yuradex [85]

Answer:

sound

Step-by-step explanation:

blind humans can detect things by speaking or clicking their stick the same way animals send waves of sound to see things in their path.

7 0
3 years ago
5x - 2 = 8 + 5y<br> Solve for y and show work.
solniwko [45]
The answer is “x=y+2” hopefully this helps :)))))

7 0
3 years ago
Someone help me plzzz:((((
mash [69]

Step-by-step explanation:

OI= 3.2 cm (same as OH)

To find GI, use Pythagoras Theorem (a²+b²= c²)

6.8²+3.2²= 56.48

√56.48= 7.5 cm

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3 0
2 years ago
Read 2 more answers
Use the discriminant to describe the roots of each equation. Then select the best description.
Marrrta [24]
Let's find the discriminant of <span>x^2+9x+14=0.  Here, a=1, b=9 and c=14.

The discriminant is b^2-4ac.  Substituting the above numeric values,
                                9^2-4(1)(14) = 81-56 = 25

The sqrt of 25 is 5.  Thus, your polynomial has two unequal, real roots.

Off the point example:  If the discriminant were zero, your poly would have two real, equal roots.</span>
4 0
3 years ago
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