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2 years ago

Find the sum of 2y²+3yz-y²-yz-z²+6zy-3y² please help STEP explanation

Mathematics

2 answers:

larisa86 [58]2 years ago

7 0

Answer:

See picture attached

Step-by-step explanation:

I hope this helps you.

Please give me brainliest if it's correct

kozerog [31]2 years ago

5 0

=2y^2 - 3y^2 - y^2 + 3yz - yz - z^2 + 6zy ( arranging the like terms )

= -2y^2 + 2yz - z^2 + 6z ( simpliflying the like terms and leaving the unlike terms same as it is rule )

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Average national teachers salaries can be modeled using the equation y=9.25(1.06)^n , where y is the salary in thousands of doll

kiruha [24]

$y=9.25(1.06)^{n}$
Plug in $n$ to find $y$ .
$n$ would be $50$ because $2020-1970=50$ .

Use order of operations to solve.
$y=9.25(1.06)^{50} \\ y=9.25(18.42) \\ y=170.39$

Since $y$ is the salary in thousands, multiply $170.39$ by $1000$ .
$170.39*1000=17039$

A teacher can expect to have about $17,039 as a salary in the year 2020.

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2 years ago

I need helps with this question ASAP

photoshop1234 [79]

Answer:

1. At Kohls Mrs. House would pay $45.00 because %25 = $15 so I just subtracted %.60.00-$15.00.

2.((Number × Percent/100)) + Number

((38 × 15/100)) + 38

5.7 + 38

= 43.7

3. I say that Mrs. House should go-to target. And just by $1.30.

At Kohls, the speaker would be at $45.00.

At target, the speaker would be at $43.70.

$45.00 - $43.70 = $1.30

Step-by-step explanation:

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2 years ago

The earth is approximately 92,900,000 miles from the sun. If 1 mile = 1.61 x 103 m, what is the distance to the sun in meters?

Dmitriy789 [7]

Answer:

here you go

Step-by-step explanation:

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2 years ago

Fill the missing values to make the equations true.

taurus [48]

Logarithm properties:

$\displaystyle \log_a b+\log_a c=\log_a (b\cdot c)\\\\\log_ab-\log_a c=\log_a \left( \frac{b}{c} \right)\\\\\log_{a^p}b^q= \frac{q}{p} \log_a b$

According to this, we can get:

$\displaystyle a)\log_7 3+\log_7 8=\log_7 (3\cdot 8)=\log_724\\\\b) \log_89-\log_85=\log_8 \frac{9}{5}\\\\c)\log_325=2\log_35$

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3 years ago

STION 1

Lorico [155]

Answer:

1.1.1- Michael has 200 lovebirds in total

1.1.2- There are 40 birds in each cage

1.1.3- 120/80 = 3/2

Step-by-step explanation:

120+80=200

200÷5=40

120÷40=3, 80÷40=2

7 0

2 years ago

Find the sum of 2y²+3yz-y²-yz-z²+6zy-3y² please help STEP explanation ​

Find the sum of 2y²+3yz-y²-yz-z²+6zy-3y² please help STEP explanation