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svetlana [45]
3 years ago
12

For homework, Brooke has 15 math problems, 5 social studies problems, and 9 science problems. Use mental math to determine how m

any problems she has for homework. Tell which property you used.Answer Property
Mathematics
1 answer:
koban [17]3 years ago
8 0

Answer:

29 homework problems

Addition Property was used

Step-by-step explanation:

15+5=20+9=29

Addition

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in class of 40 students report that english is their favorite class 40 percent of the students report that keyboard is there fav
olasank [31]
If 40% of students prefer keyboarding, 40/100*40=16 students like it best. If the remaining students prefer English, then 40-16=24 students like English best. Since 24 is more than 16, most students prefer English.
4 0
3 years ago
Which statement is true about the equations -3x + 4y = 12 and #x - 4y = 1?
Amanda [17]

Answer:

i think its the first one

Step-by-step explanation:

3 0
2 years ago
Line JK passes through points J(–3, 11) and K(1, –3). What is the equation of line JK in standard form?
masha68 [24]

Answer:

The Width of the garden will be 9 feet.

Step-by-step explanation:

Given:

Manny has wood =48 feet

Length of the garden = 15 feet

The equation which can be used  .

We need to find the width of the garden.

Solution :

Now Length of the garden is given we will substitute in the given equation to find the width.

Now Using Subtraction property we will subtract both side by 30 we get;

Now Using Division Property we will divide both side by 2 we get;

Hence the Width of the garden will be 9 feet.

4 0
3 years ago
PLEASE HELP ASAP ITS TIMED
strojnjashka [21]

Answer:

D. x<-9

Step-by-step explanation:

-3(x+5)>12

x+5<12/-3

x+5<-4

x<-4-5

x<-9

7 0
2 years ago
Write an expression that is equivalent to -2/5(15 - 20d +50)<br> Explain please!:)
valina [46]

Answer:

-26 + 4/5d

Step-by-step explanation:

-2/5 ( 15 - 2d + 50)

= -2/5 ( 65 - 2d)

= -2/5 * 65 - (-2/5) * 2d

= -26 - (-4/5d)

= -26 + 4/5d

3 0
2 years ago
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