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FrozenT [24]
2 years ago
9

I REALLY NEED HELP

Mathematics
1 answer:
melisa1 [442]2 years ago
7 0
Start by dividing both sides by -3..

-3 | x + 7| = - 12

| x + 7 | = 4   or | x + 7 | = - 4

Take out the absolute value bars

x + 7 = 4            x + 7 = -4
    -7   -7                - 7    -7

x = -3       or        x = -11
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Mr. Brady is using a coordinate plane to design a treasure hunt for his students. The hunt begins at the flagpole. The first clu
dmitriy555 [2]

Answer:

The figure is attached and the total distance is 1031 feet.

Step-by-step explanation:

The graph is indicated in the attached figure.

For calculation of distance consider following

Point Flagpole is (0,0)

Point Clue1 is (0,5)

Point Clue2 is (6,0)

Point Clue3 is (0,-5)

So the distance is calculated as follows

d_{T}=[d_{FP\ to\ Clue1}+d_{Clue1\ to\ Clue2}+d_{Clue2\ to\ Clue3}]*distance\ per\ unit\\d_{T}=[\sqrt{(Clue1_x-FP_x)^2+(Clue1_y-FP_y)^2}+\sqrt{(Clue2_x-Clue1_x)^2+(Clue2_y-Clue1_y)^2}+\sqrt{(Clue3_x-Clue2_x)^2+(Clue3_y-Clue2_y)^2}]**distance\ per\ unit\\Substituting the values

d_{T}=[\sqrt{(0-0)^2+(5-0)^2}+\sqrt{(6-0)^2+(0-5)^2}+\sqrt{(0-6)^2+(-5-0)^2}]*50 \text{ feet}\\d_{T}=[\sqrt{(0)^2+(5)^2}+\sqrt{(6)^2+(-5)^2}+\sqrt{(-6)^2+(-5)^2}]*50 \text{ feet}\\d_{T}=[\sqrt{0+25}+\sqrt{36+25}+\sqrt{36+25}]*50 \text{ feet}\\d_{T}=[\sqrt{25}+\sqrt{61}+\sqrt{61}]*50 \text{ feet}\\d_{T}=[5+7.81+7.81]*50 \text{ feet}\\d_{T}=[20.62]*50 \text{ feet}\\d_{T}=1031 \text{ feet}\\

So the total distance travelled is 1031 feet.

4 0
3 years ago
Which of the following proportions is true?<br> 4/16=2/14 15/20=24/36 12/15=47/50 16/36=12/27
KengaRu [80]
The correct proportion is 16/36=12/27
4 0
3 years ago
I need help with this question ​
eimsori [14]

Answer:

2ab(7a^4b^2+ a^5×b-2a)

start with multiple 2ab into the equation

(2ab×7a^4b^2)+(2ab×a^5×b)-(2ab×2a)

((2×7)a^(4+1)b^(2+1))+(2×a^(5+1)×b^(1+1))-((2×2)a^(1+1)×b)

14×a^5×b^3+2×a^6×b^2-4×a^2×b

8 0
3 years ago
1/150 : 2 = 1/200: X
NeTakaya

Answer:

The value of X is X=\frac{3}{2}

Step-by-step explanation:

Given : \frac{1}{150} : 2=\frac{1}{200} : X

To find : The value of X ?

Solution :

\frac{1}{150} : 2=\frac{1}{200} : X

Converting ratios into fraction,

\frac{\frac{1}{150}}{2}=\frac{\frac{1}{200}}{X}

\frac{1}{150\times 2}=\frac{1}{200\times X}

Cross multiply,

200X=300

X=\frac{300}{200}

X=\frac{3}{2}

Therefore, The value of X is X=\frac{3}{2}

7 0
3 years ago
MULTIPLE CHOICE!!! HELPPPP!! <br><br> PRE CALC!!!!
polet [3.4K]

Answer:

To be sure, the result for the equation is approximately: 30,891.0807

Step-by-step explanation:

The calculation for the equation:

\sum_{k=0}^{19} 6 (1.5)^{k} \approx 39,891.0807

6 0
3 years ago
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