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3 years ago

Find the area 10yd, 4yd, 10yd, 13yd and 8yd

Mathematics

1 answer:

kakasveta [241]3 years ago

7 0

Answer:

41,600yd's is the area....

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Mark and don are planning to sell each of their marble collections at a garage sale. if don has 4 more than 5 times the number o

natita [175]

Mark and Don have to sell 11 and 59 marbles respectively.

Explanation

Lets assume, the number of marbles Mark has is $x$

As, Don has 4 more than 5 times the number of marbles mark has, so the number of marbles Don has $= 5x+ 4$

Question says that the total number of marbles is 70. So, the equation will be...

$x+(5x+4)= 70\\ \\ 6x+4= 70 \\ \\ 6x = 70-4\\ \\ 6x=66 \\ \\ x= \frac{66}{6}= 11$

So, the number of marbles Mark has = 11

and the number of marbles Don has = $(5*11)+4 = 55+4= 59$

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3 years ago

Unit 2: Logic and proofs Homework 8: Angle Proofs

Anettt [7]

What exactly is it you need help with?

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4 years ago

There are 10 balls in a bag numbered from to 10. Three balls are selected at random without replacement. a. How many different w

zhenek [66]

A) 30 possible combinations

B)1/10

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3 years ago

BRAINLY I NEED HELP ASAPPPP!!

Karo-lina-s [1.5K]

Answer:

Step-by-step explanation:

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3 years ago

Show all work to solve by factoring 3x^2 − x − 2 = 0.

shtirl [24]

Answer:

The solutions are x=1 and x=-2/3

Step-by-step explanation:

we have

$3x^{2}-x-2=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$3x^{2}-x=2$

Factor the leading coefficient

$3(x^{2}-(1/3)x)=2$

Complete the square. Remember to balance the equation by adding the same constants to each side

$3(x^{2}-(1/3)x+(1/36))=2+(1/12)$

$3(x^{2}-(1/3)x+(1/36))=25/12$

Rewrite as perfect squares

$3(x-(1/6))^{2}=25/12$

$(x-(1/6))^{2}=25/36$

square root both sides

$(x-(1/6))=(+/-)(5/6)$

$x=(1/6)(+/-)(5/6)$

$x=(1/6)(+)(5/6)=1$

$x=(1/6)(-)(5/6)=-2/3$

4 0

3 years ago

Find the area 10yd, 4yd, 10yd, 13yd and 8yd​

Find the area 10yd, 4yd, 10yd, 13yd and 8yd