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sergij07 [2.7K]
2 years ago
8

A student is trying to solve the system of two equations given below:

Mathematics
1 answer:
levacccp [35]2 years ago
8 0

Answer: B: (y + z = 6) × -5

Step-by-step explanation:

if you multiply 'y' by -5 it turns into -5y. Therefore when you add -5y and 5y together, you get 0y which is what you want when eliminating the y-term.

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A box contains 5 plain pencils and 7 pens. A second box contains 4 color pencils and 4
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5:7 (pencils to pens)

7/12 chance that a pen from the first box will be selected.

4:4 (colour pencils to crayons)

4/8 = 1/2 chance that a crayon from the second box will be selected.

The probability of picking both:

7/12 * 1/2 = 8/24 = 1/3



3 0
2 years ago
The market value of Bryan's home is $389,000. The assessed value is $312,000. The annual property tax rate is $18.60 per $1,000
Scilla [17]

Answer:

$5803.20

Step-by-step explanation:

6 0
3 years ago
What is m∠BEC ?<br><br><br> Enter your answer in the box.
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We are able to set 4x+32 equal to 6x-8 because these are congruent vertical angles

4x+32=6x-8
4x+40=6x (add 8 to both sides)
40=2x (subtract 4x from both sides)
X=20 (divide both sides by 2)

Then we plug in 20 for x into 6x-8 to find the answer

6(20)-8
=120-8
=112

Hope this helps!
8 0
2 years ago
Read 2 more answers
Please help quickly I don’t understand
bekas [8.4K]

Answer:

15y^5

Step-by-step explanation:

Formula for the area of a rectangle is length times width.

so in this case, it would be 15y^5!! Trust me I just did this!

5 0
2 years ago
Read 2 more answers
The numerator of a given fraction is 4 less than the denominator. if 3 is subtracted from the numerator and 5 is added to the de
Sergeu [11.5K]

Answer:

Step-by-step explanation:Given that the numerator of a given fraction is 4 less than its denominator.

Also given that 3 is subtracted from the numerator and 5 is added to the denominator, the fraction becomes one by fourth .

Let the fraction be  

Since the numerator of a given fraction is 4 less than its denominator we have,

Numerator=Denominator-4

⇒ a=b-4

Since 3 is subtracted from the numerator and 5 is added to the denominator, the fraction becomes one by fourth we have

4(a-3)=1(b+5)

4a-12=b+5

4a-b=17

4(b-4)-b=17   ( ∵ a=b-4)

4b-16-b=17

3b=17+16

3b=33

⇒ b=11

Now put b=11 in a=b-4 we get

a=11-4

⇒  the fraction is a/b=7/11

3 0
2 years ago
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