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3 years ago

What is the solution of StartRoot x minus 4 EndRoot + 5 = 2?

Mathematics

2 answers:

natka813 [3]3 years ago

8 0

Answer:

D. No solution

Step-by-step explanation:

just got it right on the test

Vlad1618 [11]3 years ago

6 0

Answer:

Step-by-step explanation:

$\sqrt{x-4}+5=2 \\\\\sqrt{x-4}=-3 \\\\x-4=9 \\\\x=13$

Hope this helps!

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Let f(x)= - 3x - 1 and g(x)=x2 + 2.<br> Find (fog)(-6).

Leona [35]

Answer:(Fog)(-6)=29

Step-by-step explanation:

(fog)=-3(2x+2)-1

=-6x-6-1

=-6x-7

(fog)(-6)= -6(-6)-7

=36-7

=29

6 0

3 years ago

Is this righ or not please say me

Ksju [112]

Answer:

Step-by-step explanation:

It's right

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2 years ago

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Find the exact circumference of a circle with the given radius.

11Alexandr11 [23.1K]

Answer:

$6.5\pi\ in$

Step-by-step explanation:

we know that

The circumference of a circle is equal to

$C=2\pi r$

we have

$r=3\frac{1}{4}\ in$

Convert to an improper fraction

$r=3\frac{1}{4}=\frac{3*4+1}{4}=\frac{13}{4}\ in$

substitute

$C=2\pi(\frac{13}{4})$

$C=\frac{13}{2}\pi=6.5\pi\ in$

3 0

2 years ago

A projectile is launched upward from ground level with an intentional speed of 98 m/s. How high will it go? when will it return

viktelen [127]

Let h(t) represent the height of the projectile after t seconds. If the projectile is being launched from the ground, then h(0)=0, and h(t)=-4.9t²+98t. When the equation is in this form, the maximum height is determined by -98/2(-4.9), or after 10 seconds. Thus
-4.9(100)+98(10)=490 m as the highest point of the projectile
Then, when it hits the ground, h(t)=0, so
0=-4.9t²+98t
98t=4.9t²
4.9t=98
t=20
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8 0

3 years ago

Please help solve this

notsponge [240]

Answer:

1/6

Step-by-step explanation:

so what you want to do first to create a common denominator:

1. multiply 2/3 by 2 to get a denominator of 6

2. Now you have 4/6, to solve for x you subtract 4/6 from the total

$\frac{5}{6} - \frac{4}{6} = \frac{1}{6}$

thats how you get your answer!

Hope this helped :)

5 0

3 years ago

Read 2 more answers