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Bas_tet [7]
3 years ago
7

Which statement is true?

Mathematics
2 answers:
melamori03 [73]3 years ago
6 0

Answer:

C. All rectangles are quadrilaterals.

Step-by-step explanation:

Quadrilaterals  are defined as 4 sided figures  so could be squares, rectangles, parallelogram etc.

LuckyWell [14K]3 years ago
5 0

Answer:I think it is C

Step-by-step explanation:I think it i C

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Solve for x 6x^2 +7x=20
Sunny_sXe [5.5K]

Answer:

x=4/3    ,   x=-5/2

Step-by-step explanation:

6x^2 +7x=20

6x^2+7x-20=0

(3x−4)(2x+5)

3x-4=0 ,   2x+5=0

3x=4     ,   2x=-5

x=4/3    ,   x=-5/2

6 0
3 years ago
James invested $300 in a bank account that earns simple interest. He earns $24 at the end of 12 months. James invests $500 at th
NARA [144]

Answer: $40

Step-by-step explanation:

The key formula to use for this problem is the simple interest formula, which is I=prt ; where I is the interest earned, p is the principal (initial) amount, r is the interest rate, and t is the amount of time that passes.

Since we know that both investments have the same interest rate, we can use the information from the first part of the problem to solve for the interest rate. Using algebra, we can rearrange the simple interest formula to solve for the interest rate:  r=I/pt. We know that our interest earned is $24 and our principal amount is $300. To make things easier, we'll also convert months to years, which is easy to do since we know that 12 months = 1 year. This gives us our value for the amount of time that passes. Now, all we have to do is plug in our values into the rearranged equation above.

We should now have: r=\frac{24}{300*1}=0.08

Now, to find the interest earned from the $500 investment, we just need to plug in our values from the second part of the problem, along with our calculated interest rate of 0.08, into the original formula of I=prt

This should result in I=500*0.08*1=40

Therefore, James will receive $40 on his $500 investment after 12 months.

4 0
3 years ago
Your having lunch at Taco Bell. You have your choice of a taco,burrito or Mexican pizza. You can choose between rice and beans.
tino4ka555 [31]

Let T be the taco, B the burrito, MP the mexican pizza, R the rice, and N the beans.

For the main course we can have the first three.

----- T

------ B

-------MP

Each main course comes with the two sides. So an R branch and a B branch go to each of the taco, burrito, or pizza.

-----T---------R or N.

We expand it to

--------T-----------R

---------------------N

And we repeat it for the rest.


Thus, the tree diagram is

----- T --------R

-----------------N

-----B---------R

-----------------N

----MP--------R

----------------N

5 0
3 years ago
Read 2 more answers
What are the factors of the expression 3x(y + 5)?
slamgirl [31]
3x(y+5)

= 3xy+15x

= (Tienes que multiplicar dentro del paréntesis por 3x) <span />
7 0
3 years ago
Justin made 184 for 8 hours of work. At the same rate, how many hours would he have to work to make 115?
Kisachek [45]

Answer:

8/184

0.0434782609x115

5

Step-by-step explanation:

5

7 0
2 years ago
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