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3 years ago

6

Help me please i need some help.

1 answer:

photoshop1234 [79]3 years ago

4 0

Answer:

8, -5, -4, 6

Step-by-step explanation:

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The tength of a picture frame is 12 cm more than twice the width. If the perimeter is 204cm, find the

alekssr [168]

Answer:

30cm x 72 cm

Step-by-step explanation:

The perimeter is the measurements of all sides added together. Let's start by dividing the perimeter by 2, so we have the sum of the length and width. This gives us 102cm. Let's call the width <em>x</em>, and the length <em>y</em>. We know <em>y</em> is <em>x</em> times 2 plus 12. (2x + 12) So, we know [x + y = x + (2x + 12)]. So let's solve.

x + y = x + (2x + 12)

102 = x + (2x + 12)

102 = 3x + 12

102 - 12 = 3x + 12 - 12

90 = 3x

90/3 = 3x/3

30 = x

The width is 30cm.

8 0

2 years ago

Graph the equation -5x + 2y=2

dimulka [17.4K]

Slope = 5 over 2
Y-intercept = 1

4 0

3 years ago

Express the series using sigma notation. 2 - 6 + 18 – 54 + 162 ...

andrey2020 [161]

This is ur required result in attachment

4 0

3 years ago

On Monday, three hundred forty students went on a trip to the zoo. All eight buses were filled and four

VMariaS [17]

Answer:

42.5

Step-by-step explanation:

divide it by 8.

5 0

3 years ago

Read 2 more answers

at the beginning of the school year Anderson Middle School had 480 students at the end of the year it had 504 students what is t

NikAS [45]

Answer:

The number of enrollments increased by 5%.

Step-by-step explanation:

Given that:

Number of students at the beginning of the year = 480

Number of students at the end of the year = 504

Change = 504 - 480 = 24

This indicates increase.

Percent of change = $\frac{Change}{Old\ number\ of\ students}*100$

Percent of change = $\frac{24}{480}*100$

Percent of change = 5%

Hence,

The number of enrollments increased by 5%.

4 0

2 years ago