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1 month ago

If HJ= 7x-27 . Find the value of x

Mathematics

2 answers:

babunello [11.8K]1 month ago

7 0

we are presented with

$HJ=7x-27$

Since our goal is to find the value of x

we need to rearrange the equation to isolate x on one side

step-1: Add 27 to both sides

$HJ+27=7x-27+27$

$HJ+27=7x$

step-2: Divide each side by 7

$HJ+27=7x$

$\frac{HJ+27}{7}= \frac{7x}{7}$

Now, we can simplify it

$\frac{HJ+27}{7}= x$

$x=\frac{HJ+27}{7}$ ................Solution

Leona [12.6K]1 month ago

4 0

Answer:

The value of x is $x=\frac{HJ+27}{7}}$

Step-by-step explanation:

Examine the equation given.

$HJ= 7x-27$

We are tasked with finding x.

To start, add 27 to each side of the equation.

$HJ+27= 7x-27+27$

$HJ+27= 7x$

Then, divide both sides by 7.

$\frac{HJ+27}{7}=\frac{7x}{7}$

$x=\frac{HJ+27}{7}}$

Thus, the value of x is $x=\frac{HJ+27}{7}}$

15.9

Detailed explanation:

$\text{The formula of a distance between two points on a number line:}\\\\d=|a-b|\\\\\text{for}\ a\geq b:\ d=a-b\\=========================\\\\\text{We have}\ 4.7\ \text{and}\ -11.2.\ \text{Substitute:}\\\\d=4.7-(-11.2)=4.7+11.2=15.9$

5 0

29 days ago

Find the P-value in a test of the claim that the mean IQ score of acupuncturists is equal to 100, given that the test statisti

Leona [12618]

Answer:

P-value = 0.0455

Step-by-step explanation:

This inquiry focuses on calculating the P-value in a test.

Mathematically, we establish that;

P-value = 2 * P(Z > |z|)

Please refer to the attached document for a comprehensive resolution and step-by-step explanation

7 0

24 days ago

When the sun is at a certain angle in the sky, a 50-foot building will cast a -foot shadow. What is the length of the shadow in

Svet_ta [12734]

Answer:

0.40 feet

Step-by-step explanation:

For the first scenario, a 50-foot building casts a shadow of 1 foot. Let the angle of elevation of the sun from the shadow be denoted as θ.

Then:

Tan θ = $\frac{opposite}{adjacent}$

Tan θ = $\frac{50}{1}$

Tan θ = 50

⇒ θ = $Tan^{-1}$ 50

= 88.8542

= $88.85^{o}$

The elevation angle is roughly $88.85^{o}$ .

For a 20-foot pole,

Tan θ = $\frac{opposite}{adjacent}$

Tan $88.85^{o}$ = $\frac{20}{x}$

x = $\frac{20}{Tan 88.85^{o} }$

= 0.4015

= 0.40 feet

The length of the pole's shadow is 0.40 feet.

4 0

20 days ago

Below are two parallel lines with a third line intersecting them.

lawyer [12517]

x=88. The third line serves as a transversal, meaning that 92 and x are supplementary angles.

3 0

11 days ago

Read 2 more answers

Find three different surfaces that contain the curve r(t) = t^2 i + lnt j + (1/t)k

Svet_ta [12734]

Let’s consider the curve: r(t) = t²i +(int)j + 1/t k X = t², y = int,z = 1/t Utilizing x = t² and z = 1/t X = (1/z)² Xz² = 1 Now using y = int and z= 1/t Y = in│1/z│ By using x = t² and y = int Y = int = in(√x) Thus, the resulting surfaces are, Xz² = 1 Y = in│1/z│ Y= in(√x)

7 0

29 days ago