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Mathematics

1 answer:

bekas [8.4K]3 years ago

7 0

Answer:

here use some of these

Step-by-step explanation:

Also google is a really good source, just type the name and then click images

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Please help me !!!!!!!

umka21 [38]

$\frac{2}{3}y+15=9 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Given} \\\\ \frac{2}{3}y+15-15=9-15 \ \ \ \ \ \ \ \ \text{Subtraction property} \\ \\ \frac{2}{3}y=-6 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Simplification} \\ \\ \frac{2}{3}y \cdot \frac{3}{2} =-6\cdot \frac{3}{2} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Multiplication property} \\\\ y=-9 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Simplification}$

8 0

3 years ago

45% of all 1st graders at Sierra Elementary School are female students. This year there are 54 female 1st graders at Sierra Elem

Anit [1.1K]

Answer:

There are 120 1st graders at Sierra Elementary School this year

Step-by-step explanation:

Let n represent the total number of 1st graders at Sierra Elementary School

Since 45% of all 1st graders at Sierra Elementary School are female students and this year there are 54 female 1st graders, 45% of n is equal to 54

→ n( $\frac{45}{100}$ ) = 54

→ 45n = 5400

→ n = 120

3 0

3 years ago

Read 2 more answers

If x=0 what is the slope of the line?

bogdanovich [222]

The slope of your line would be undefined since your line is just going straight up. The reason for this is while your y value is changing, your x value is always staying the same, meaning your line will just be traveling straight up.

6 0

4 years ago

The ratio of the number of cakes to the number of muffins in different gift boxes is 5:4. Which table best shows the number of c

densk [106]

Answer A because 5/4 = 10/8 = 15/12 = 20/16

6 0

3 years ago

4. A sum of money is divided among Khairul, Michael and Ethan in the ratio 6:4:5. After Khairul

Advocard [28]

Answer:

Step-by-step explanation:

8 0

3 years ago