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Elodia [21]
3 years ago
5

HELP ME SUPPER FAST PLEASE​

Mathematics
1 answer:
kari74 [83]3 years ago
8 0

Answer:

A) x<-1

Step-by-step explanation:

As the circle is not filled in, we know that the inequality must be > or <.

As the line is to the left of -1 (or lower than it). We know that x must be less than -1

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1) 90%<br> round to the thousands place
Daniel [21]

Answer:

0.90

Step-by-step explanation:

hope this helps

6 0
3 years ago
"Find the sum of the first 50 term in this sequence 4, 7, 10, 13, ...". How do i do this without writing them all out, and how d
melisa1 [442]
First term ,a=4 , common difference =4-7=-3, n =50
sum of first 50terms= (50/2)[2×4+(50-1)(-3)]
=25×[8+49]×-3
=25×57×-3
=25× -171
= -42925
derivation of the formula for the sum of n terms
Progression, S
S=a1+a2+a3+a4+...+an

S=a1+(a1+d)+(a1+2d)+(a1+3d)+...+[a1+(n−1)d]   →   Equation (1)

S=an+an−1+an−2+an−3+...+a1

S=an+(an−d)+(an−2d)+(an−3d)+...+[an−(n−1)d]   →   Equation (2)

Add Equations (1) and (2)
2S=(a1+an)+(a1+an)+(a1+an)+(a1+an)+...+(a1+an)

2S=n(a1+an)
S=n/2(a1+an)

Substitute an = a1 + (n - 1)d to the above equation, we have
S=n/2{a1+[a1+(n−1)d]}
S=n/2[2a1+(n−1)d]
5 0
3 years ago
A cookie jar contains 2 chocolate chip cookies, 4 peanut butter cookies, and 3 sugar cookies. A child chooses one cookie at rand
marishachu [46]

Answer:

Peanutbutter 44%

Chocolate chip 22%

Step-by-step explanation:

5 0
3 years ago
2) In the following diagram, a ladder is leaning against the building. What is the
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Answer:

I believe the answer is about 34

Step-by-step explanation:

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What is the smallest multiple 3 and 4 have in common
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Their least common multiple is 12.
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