MATHEMATICS MIDDLE SCHOOL

What is the area of triangle ABD?7 cm 2
3.5 cm 2
6 cm 2
4.5 cm 2
What is the area of triangle ABD? 7 cm 2 - 1

Answers

Answer 1
Answer:

Answer:

D

Step-by-step explanation:

In the attached file
Answer 2
Answer:

Answer:

4.5 cm 2

Step-by-step explanation:

A = b x h / 2

A = 3 x 3 / 2

A = 9 / 2

A = 4.5

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Bryan wants to buy candy and gum to sell at the concession stand during the volleyball game. Candy cost 1$ per pack and gum cost 0.75$ per pack. If he only had 75$ to spend

Answers

Answer:

The solution in the attached figure

Step-by-step explanation:

Let

x ----> the number of candy pack that Brian can buy

y ---> the number of gum pack that Brian can buy

we know that

The inequality that represent this situation is

x+0.75y\leq 75

The solution is the shaded area below the solid line  x+0.75y=75

The slope of the solid line is negative

using a graphing tool

The solution is the shaded area

Remember that the value of x and the value of y cannot be a negative number

see the attached figure

| b - 12 | = 15 . How do I solve this equation?

Answers

We have b - 12 = 15 or b - 12 = - 15;

Then b = 12 + 15 or b = 12 - 15;

Finally, b = 27 or b = -3;

The solutions are 27; -3.

Absolute value has a positive and neg. Answer


B-12=15


B= 15+12


B= 27


Now the negative


B-12=-15


B=-15+12


B= -3



Answer is

B= 27,-3

three times the sum of a number and 4 is 8 less then one-half the number .write and solve an equation to find the number

Answers

3(x + 4) = x/2 - 8

First, we can multiply both sides by 2:

6(x+4) = x - 16

6x + 24 = x - 16

Isolate x:

5x = -16 - 24

5x = -30

x = -6

the ratio of oil to vinger in a certain salad dressing is 8:5 how much oil must be blended with 7liters of vinegar for that recipe

Answers

I think the answer is that 11.2 litres of oil is requires for 7litres of vinegar
To get the answer we can use propotion
8 oil ---------------5 vinegar
x oil----------------7 vinegar
Crossmultiply now
5x=8*7
5x=56   :5
x=11.2 - its the answer

What is 24x^2y^6-16x^6y^2+4xy^2 divided by 4xy^2?

Answers

24x^2y^6-16x^6y^2 = 8y^4x^4 +4xy^2

8y^4x^4 +4xy^2 = 12y^6x^5 / 4xy^2

12y^6x^5 / 4xy^2 = 3y^4x^4  ... I think that is the answer! :)

How many fractions are equivalent to 4/5. Explain

Answers

A fraction equvilent to 4/5 is also 8/10 also 12/15. to find an equivalent fraction all you have to do is multiply top and bottom ( numerator & denominator ) by the same number. 
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