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3 years ago

5

Name all the perfect squares between 1 and 144

2 answers:

LenaWriter [7]3 years ago

5 0

Perfect squares I see...
1x1=1
2x2=4
3x3=9
4x4=16
5x5=25
6x6=36
7x7=49
8x8=64
9x9=81
10x10=100
11x11=121
12x12=144
In short, these are all perfect squares

fiasKO [112]3 years ago

3 0

1x1=1
2x2=4
3x3=9
4x4=16
5x5=25
6x6=36
7x7=49
8x8=64
9x9=81
10x10=100
11x11=121
12x12=144

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A crew consists of 1 apprentice, 1 journeyman, and 1 master carpenter. The crew receives a check for $4800 for a job they jus

tamaranim1 [39]

Answer:

Apprentice=$800

Journeyman=$1600

Master=$2400

Step-by-step explanation:

We have that all the crew won a total of $4800 then it is the salary of the apprentice, the journeyman and the master carpenter. It say that the journeyman makes 200% of the apprentice, then it means that the journeyman won the double of the apprentice. The master won 150% of what a journeyman, it means that the master won 1.5 of the salary of the journeyman.

With this information we can write the next set of equations.

$A+J+M=\$4800\\J=2A\\M=1.5J$

Using the second equation in the third equation we can know how much won the master in terms of the salary of the apprentice, then:

$M=1.5J\\M=1.5(2A)\\M=3A$

With this we could rewrite the first equation as:

$A+J+M=\$4800\\A+2A+3A=\$4800\\6A=\$4800\\A=\dfrac{\$4800}{6}\\A=\$800$

Then the aprentice earn $800, the journeyman $1600 and the master $2400

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3 years ago

A number c divided by 9 is less than or equal to -23 .

aleksklad [387]

Answer:

c $\leq$ -207

Step-by-step explanation:

Create an inequality and solve for c:

$\frac{c}{9}$ $\leq$ -23

Multiply by 9 on each side:

c $\leq$ -207 is the answer

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3 years ago

Select all of the ratios that are equivalent to 6:16.

kipiarov [429]

Answer : B, D

Step - by - step explanation :

6/16 Divided by 2/2 --> 3/8 ( so it's not 2/8 )

6/16 Multiplied by 2/2 --> 12/32 ( so it's not 12/18 )

30/80 --> 3.75 6/16 --> 3.75

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2 years ago

Read 2 more answers

in parallelogram abcd diagonals ac and bd intersect at point l . If Al= x-2 and ac =3x-16 , then which of the following represen

TiliK225 [7]

Answer:

The length of CI is 10 units.

Step-by-step explanation:

It is given that ABCD is a parallelogram and diagonals AC and BD intersect at point I.

The diagonals of a parallelogram bisect each other.

$AI=CI$

$AC=AI+CI$

$AC=AI+AI$ $[\because AI=CI]$

$AC=2AI$

$3x-16=2(x-2)$

$3x-16=2x-4$

$3x-2x=16-4$

$x=12$

The value of x is 12.

$CI=AI=x-2=12-2=10$

Therefore the length of CI is 10 units.

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3 years ago

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kirill [66]

Answer:

Step-by-step explanation:

y+30+2y=180

Add like terms

3y+30=180

Subtract 30 on both sides

3y=150

Divide by 3 on both sides

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Now all you have to do i calculate the angles.

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3 years ago