2 years ago

(4y+3)-(y-2) Find the sum or difference.

Mathematics

1 answer:

Advocard [28]2 years ago

5 0

The answer to this would be 3y + 5

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A school district is considering moving the start of the school day at Groveland High from 8:00 a.m. to 9:00 a.m. to allow stude

DaniilM [7]

Answer:

The answer is " $\bold{(7.1-8.3) \pm 1.665 \sqrt{\frac{(1.7)^2}{50}+\frac{(1.9)^2}{39}} }\\\\$ "

Step-by-step explanation:

Given values:

$\bar{x_1}=7.1\\\\\bar{x_2}=8.3\\\\s_1=1.7\\\\s_2=1.9\\\\n_1=50\\\\n_2=39$

Using formula:

$\to (\bar{x_1} -\bar{x_2}) \pm t \sqrt{\frac{(s_1)^2}{n_1}+\frac{(s_1)^2}{n_2}} \\\\$

Put the values in the above formula:

$\to (7.1-8.3) \pm 1.665 \sqrt{\frac{(1.7)^2}{50}+\frac{(1.9)^2}{39}} \\\\$

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3 years ago

For a moving object, the force acting on the object’s acceleration. When a force of 56 N acts on certain object, the acceleratio

ycow [4]

Answer:

force

Step-by-step explanation:

8 0

3 years ago

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4. A fruit vendor packed 100 apples each in 64 baskets. Later, he found some apples were left unpacked. So he packed 30 more app

topjm [15]

Answer:

Here is the answer

Step-by-step explanation:

Apples in 1 baskets=100

Apples in 64 baskets=100*64-6400

apples (before adding 30 apples in each

basket).... ..(1)

Some apples left unpacked

So he added 30 apples to each

Total apples added by him- 30*64(in each basket*no of baskets)

= 1920 apples

.(2)

So total no apples eq(1)+eq(2)

= 6400 apples + 1920 apples

=8320 apples packed in total

Therefore the total no. of apples packed were 8320 apples.

Hope this helps

Thanks

4 0

2 years ago

The vertices of triangle LMN are L(3,0), M(7,0) and N(3,8). What is the area of Triangle LMN?

Serggg [28]

Answer:

(x, y) → (x – 8, y + 11)

Step-by-step explanation:

We are given the vertices of the triangle with their respective coordinates. For the vertex L, the translated coordinates is also given. So, from the original coordinates of L and the new coordinates, we can get the rule used during translation:(7, -3) -> (7 + a, -3 + b) = (-1, 8)7 + a = -1a = -8

-3 + b = 8b = 11

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3 years ago

Brandon used inverse operations to solve an equation in his homework assignment. During which step, if any at all, did Brandon u

ICE Princess25 [194]

Answer:

Step 3

Step-by-step explanation:

x^3=3

you need to root cube both side not divide both side by 3

You cannot just divide the cube (^3) by 3 to make it 1/

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3 years ago

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