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kifflom [539]
2 years ago
15

A solid box with height 20cm, width 10cm and length 80cm needs to be painted.

Mathematics
1 answer:
julia-pushkina [17]2 years ago
8 0

Answer: is 832cm

Step-by-step explanation:

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Graph -5x + 2 > 3y and 3x-4y <3
Sladkaya [172]

Answer:

Below!

Step-by-step explanation:

Solve for  y.

Rewrite in slope-intercept form.

Use the slope-intercept form to find the slope and y-intercept.

Any line can be graphed using two points. Select two  x  values, and plug them into the equation to find the corresponding  y  values.

Graph the line using the slope and the y-intercept, or the points.

4 0
2 years ago
⎧
MrRissso [65]

Answer:

f(n)=-5-3n

Step-by-step explanation:

Given the recursive formula of a sequence

f(1)=−8

f(n)=f(n−1)−3

We are to determine an explicit formula for the sequence.

f(2)=f(2-1)-3

=f(1)-3

=-8-3

f(2)=-11

f(3)=f(3-1)-3

=f(2)-3

=-11-3

f(3)=-14

We write the first few terms of the sequence.

-8, -11, -14, ...

This is an arithmetic sequence where the:

First term, a= -8

Common difference, d=-11-(-8)=-11+8

d=-3

The nth term of an arithmetic sequence is determined using the formula:

T(n)=a+(n-1)d

Substituting the derived values, we have:

T(n)=-8-3(n-1)

=-8-3n+3

T(n)=-5-3n

Therefore, the explicit formula for f(n) can be written as:

f(n)=-5-3n

7 0
3 years ago
1. <br><br><br>Find the slope of the line1. <br><br><br>a) -5/4 <br> b) 5/4 <br> c) -4/5 <br> d) 4/5
Daniel [21]
If it’s a negative slope A, if it’s a positive slope B
8 0
2 years ago
Read 2 more answers
What is -1 = 5/8b + 3/8
andrew-mc [135]

Answer:

exact form - b = -11/5

decimal form - b = -2.2

Mixed number form - b = -2 1/5

4 0
3 years ago
What’s 2 numbers that multiply to make -21 but add up to -4
irinina [24]

Answer:

2 numbers that multiply to make -21 = 3 x (-7)

2 numbers that add up to -4 = 3 - 7

Step-by-step explanation:

2 numbers that multiply to make -21 = 3 x (-7) = -21

2 numbers that add up to -4 = 3 - 7 = -4

4 0
3 years ago
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