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RoseWind [281]
3 years ago
14

Please help for #4 (an explanation would be great)

Mathematics
2 answers:
PtichkaEL [24]3 years ago
8 0

Answer:

15i√6

Step-by-step explanation:

5√(54)(-1) = 5√(9)(6)(-1) = 5(3)i√6 = 15i√6

Margarita [4]3 years ago
4 0

Answer:

-36.7

Step-by-step explanation:

You might be interested in
-3/7 is equivalent to what other fraction
liubo4ka [24]

Answer:

Step-by-step explanation:

6/14 = -9/21 = -12/28 = -15/35 = -18/42 = -21/49 = -24/56 = -27/63 = -30/70 = -33/77 = -36/84 = -39/91 = -42/98 = -45/105 = -48/112

6 0
3 years ago
Learning Task 1. Group the given equations into two based on observed common properties.
AnnZ [28]

Quadratic Equations in Single Variable

n²-3n+10=0

2x²+2x+1=0

25b²-16=0

f²-3f+2=0

1/3m +2m=4

a²=225

Linear Equation in single Variable

8-3k=12

5w+5=0

10u-5=8

Linear Equation in Two  Variable

2y-z=9

3r+2e=6

d=3e-7

<h3>What is an equation?</h3>

It should be noted that an equation simply means the expression that's used to show the relationship between the variables.

In this case, the equation has been grouped.

Learn more about equations on:

brainly.com/question/2972832

#SPJ1

Group the given equations into two based on observed common properties.

Equations

n²-3n+10=0

8-3k=12

2y-z=9

2x²+2x+1=0

25b²-16=0

3r+2e=6

5w+5=0

f²-3f+2=0

d=3e-7

1/3m +2m=4

10u-5=8

a²=225

6 0
1 year ago
An angel whose measure is less than 90 is called an acute angel<br>​
topjm [15]

Answer:

Yes, the statement is true

Btw, it's an angle not angel

Please mark as brainliest

3 0
2 years ago
Read 2 more answers
Last week marcella earned $432. Turing that week, she worked 8 hours for 4 days and 4 hours on one day. what was Marcella's pay
Step2247 [10]
The answer is approx. 10.8 per hour.

If you want to round it up, it would be 11. I prefer you not to round though as this is Money. Money should have decimals included.
8 0
2 years ago
Read 2 more answers
A school bus has 25 seats, with 5 rows of 5 seats. 15 students from the first grade and 5 students from the second grade travel
kow [346]

Answer:

5P5×20P15

Step-by-step explanation:

A school bus has 25 seats, with 5 rows of 5 seats.

15 students from the first grade and 5 students from the second grade travel in the bus.

second-grade students occupy the first row.

The 5 students of second grade are to be seated in 5 seats,this can be done in:

5P5 ways where P is the permutation

Now 15 students from first grade are to be arranged in remaining 20 seats

This can be done in:

20P15 ways

Hence, total ways student can be seated is:

5P5×20P15

6 0
3 years ago
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