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vitfil [10]
3 years ago
13

Please help me this is urgent! Both need an answer.

Mathematics
1 answer:
dolphi86 [110]3 years ago
3 0
My answer is B and A that's my answer
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The point StartRoot x EndRoot is plotted on the number line. A number line going from 9 to 10 in increments of 0.1. StartRoot x
borishaifa [10]
87

Take 9.35 = sqrt(x) —> x = 87.4 —> 87
7 0
2 years ago
Read 2 more answers
Consider the following set of equations, where s, s0, x and r have units of length, t has units of time, v has units of velocity
Anna11 [10]

Answer:

5

Step-by-step explanation:

For an equation to be dimensionally correct the dimension of quantities on both sides of equation must be same.

Also, two physically quantities can only be added or subtracted only when their dimension are same.

here all option are dimensionally correct except the 5th option where

dimension of t= [T] whereas dimension of a/v is \frac{LT^{-2}}{LT^{-1}}

= T^{-1}

since, the dimension of quantities on either sides of equation are not the same the equation is dimensionally is incorrect.

8 0
3 years ago
2x2 - 12x + 10<br>what are the roots​
Tcecarenko [31]

Answer:

5 & 1

Step-by-step explanation:

We can use the quadratic formula to solve this:

Quadratic Formula = \frac{-b+-\sqrt{b^2-4ac} }{2a}

So we will have 2 answers (roots).

a is the coefficient of x^2 (2)

b is the coefficient of x (-12)

c is the constant (10)

Now, substituting, we get:

x = \frac{-b+-\sqrt{b^2-4ac} }{2a}=\frac{12+-\sqrt{(-12)^2-4(2)(10)} }{2(2)}=\frac{12+-\sqrt{64} }{4}=\frac{12+-8}{4}=\frac{12+-8}{4}=5,1

Hence the roots are 5 & 1

4 0
2 years ago
Instructions: Drag the tiles to the correct boxes to complete the pairs.
snow_tiger [21]
7/5y= y+2/5y
0.68y = y-0.32y
3/5y=y-2/5y
1.32y=y+0.32y
8 0
2 years ago
Read 2 more answers
What's the answer to 1.6(2.5-10)+8.2=???
V125BC [204]

Answer:

-3.8

Step-by-step explanation:

1.6(2.5-10) + 8.2

1.6(-7.5) + 8.2

-12 + 8.2

-3.8

5 0
2 years ago
Read 2 more answers
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