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Mnenie [13.5K]
3 years ago
9

For brainiest:):):):):):):)

Mathematics
2 answers:
dsp733 years ago
6 0
Sry im not sure how to properly answer in english but in 7. x=148 and 8. x=18 i thinkk
cricket20 [7]3 years ago
3 0

Answer:

I'm pretty sure 1 is verticle and 2 is complimentary

Step-by-step explanation:

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In this fulcrum, the weights are perfectly balanced. How far must the fulcrum be located from the 40 lb. weight if the bar is 9
creativ13 [48]
So...we can write eqn as

40x = 50(x-1)
so. -10x=-50
so. x=5

therefore .... the distance of 40 lb will be 5 ft ...answer !!!
4 0
3 years ago
Read 2 more answers
How do I solve for x
skad [1K]

Answer:

<h3>x = 40/7</h3>

Step-by-step explanation:

Look at the picture.

If ABC is any triangle and AD bisects (cuts in half) the angle BAC, then

\dfrac{AB}{BD}=\dfrac{AC}{DC}

In our triangle we have the proportion:

\dfrac{x}{8}=\dfrac{10-x}{6}            <em>cross multiply</em>

6x=8(10-x)               <em>use distributive property</em>

6x=(8)(10)+(8)(-x)

6x=80-8x                   <em>add 8x to both sides</em>

14x=80            <em>divide both sides by 14</em>

x=\dfrac{80}{14}

\boxed{x=\dfrac{40}{7}}

4 0
3 years ago
4. A parking lot contains 21 sedans. Sedans are found at a ratio of 7:5 to SUVs in the parking lot. How many
Mice21 [21]

Answer:

they are both divisible by 3

7 x 3 = 21

5 x 3 = 15

Step-by-step explanation:

hope this helps lucas (mr. calvelo)

6 0
3 years ago
A car travels 0.75 miles per minute. Explain how you could use proportional reasoning to find how far the car travels in one hou
Zina [86]
Notice the proportions below.  Keep in mind that 1 hour is 60 minutes.

\bf \begin{array}{ccll}&#10;miles&minutes\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;0.75&1\\&#10;x&60&#10;\end{array}\implies \cfrac{0.75}{x}=\cfrac{1}{60}\implies \cfrac{0.75\cdot 60}{1}=x\implies 45=x
4 0
3 years ago
Please solve this step by step/show your work.
const2013 [10]

Step-by-step explanation:

m - 6 = - 3

send - 6 to the other side

m = - 3 + 6

when you send something to the other side it gets the opposite sign. If it was a minus sign it will be plus sign or if it was a minus sign it will be a plus sign. So - 6 became +6 when we send it to right side of the equation.

Now we need to sum - 3 +6

m = - 3 +6

m = + 3

You may not need the plus sign and you can directly write m = 3

Hope it was clear and it helps! Please let me know if you have any questions.

8 0
3 years ago
Read 2 more answers
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