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sleet_krkn [62]
3 years ago
12

Can someone plz help me answer this asap due today plz 8+x−6−5=8x+1−3x

Mathematics
2 answers:
sladkih [1.3K]3 years ago
5 0
Insolate the variable by dividing each side
X=-1
kykrilka [37]3 years ago
4 0

Isolate the variable by dividing each side by factors that don't contain the variable.
x = −1
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Find the measure of f.
lora16 [44]
………….The answer is 46
5 0
2 years ago
An item costs $390 before tax, and the sales tax is $35.10. Find the sales tax rate. Write your answer as a percentage.
DanielleElmas [232]

Answer:

Use this pencentage change formula:

New - Old

---------------- x 100

Old

Step-by-step explanation:

390 + 35.10 = 425.1 (New value)

So apply this to the formula:

425.1 - 390

--------------- x 100

390

<em>Which is = 9%</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em> </em><em>Cheers</em><em>!</em><em> </em><em>:</em><em>)</em>

7 0
2 years ago
A cafeteria starts with 750 fish sticks for lunch. Each meal they serve uses 6 of the fish sticks. At the end of the lunch there
Firlakuza [10]

Answer:

The value of N = 118

Step-by-step explanation:

750 = 6n + 42

move all the numbers that don't contain n to the right side

6n = 750 - 42

6n = 708

708 / 6 = 118

n = 118

plug the numbers back in

6 ( 118) = 708

708 = 708

plug the 42 back in

708 + 42 = 750

8 0
2 years ago
I will mark you brainliest if you provide evidence you know what your doing
topjm [15]

Option C

<u>SOLUTION:</u>

We need to find the value of B - CF

First find the value CF:

CF=\left[\begin{array}{ccc}12&0&1.5\\1&-6&7\\\end{array}\right]  \left[\begin{array}{ccc}-2&0\\0&8\\2&1\end{array}\right]

CF=\left[\begin{array}{ccc}12(-2)+0 *0+1.5*2&12*0+0.8+1.5*1\\1*(-2)+(-6)*0+7.2&1*0+(-6)*8+7.1\\\end{array}\right]

CF=\left[\begin{array}{ccc}-21&1.5\\12&-41\\\end{array}\right]

Now find value of B - CF:

B-CF=\left[\begin{array}{ccc}2&8\\6&3\\\end{array}\right] -\left[\begin{array}{ccc}-21&1.5\\12&-41\\\end{array}\right]

B-CF=\left[\begin{array}{ccc}23&6.5\\-6&44\\\end{array}\right]

∴ the value of B - CF is \left[\begin{array}{ccc}23&6.5\\-6&44\\\end{array}\right]

<em>I hope this helps....</em>

8 0
3 years ago
A kite flying in the air has a 12 - ft line attached to it. its line is pulled taut and casts a 10 - ft shadow. find the height
tekilochka [14]

The height of the kite will be 6.6 ft rounded to the nearest tenth.

<u><em>Explanation</em></u>

According to the below diagram, AB is the height of the kite and AC is the 12 ft line attached to it.

The line is pulled taut and casts a 10 ft shadow. That means BC = 10 ft

Now, in right angle triangle ABC, using <u>Pythagorean theorem</u>....

(AB)^2 +(BC)^2 = (AC)^2 \\ \\ (AB)^2 +(10)^2 = (12)^2 \\ \\ (AB)^2 +100 = 144\\ \\ (AB)^2 = 144-100 =44\\ \\ AB=\sqrt{44}= 6.6332....

So, the height of the kite will be 6.6 ft rounded to the nearest tenth.

6 0
3 years ago
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