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3 years ago

For each of the bookcases a woodworker is building, she

Mathematics

2 answers:

Naya [18.7K]3 years ago

7 0

35x100 hours = $3500+$65= $3565 for 100 hours of work and materials.

melisa1 [442]3 years ago

5 0

answer is b

my sister just had this question

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Write the first five terms of the geometric sequence in which a1=8 and the common ratio is -1/2.

Oliga [24]

Answer:

First five terms are:

8 , (-4) , 2 , (-1) , (1/2)

Step-by-step explanation:

$a_{1}=8 \\\\r = \frac{-1}{2}\\\\a_{2}=\frac{-1}{2}*a_{1}= \frac{-1}{2}*8= -4\\\\a_{3}=\frac{-1}{2}*a_{2}=\frac{-1}{2}*-4=2\\\\a_{4}=\frac{-1}{2}*a_{3}=\frac{-1}{2}*2=-1\\\\a_{5}=\frac{-1}{2}*a_{4}=\frac{-1}{2}*-1=\frac{1}{2}$

4 0

3 years ago

Find the coordinates of the image of point R(3, -5) rotated 180 degrees about the origin.

kolbaska11 [484]

180 degrees means that the new x=-x and the new y=-y so
x=3 and y=-5 is orignal
new is -3 and 5

so new oint is

A(-3,5)

6 0

3 years ago

What is true of the type of angle in this lesson? It measures half the sum of the arc it intercepts. It measures twice the sum o

Karolina [17]

Answer:

Step-by-step explanation:

Answer: it is C because it is true of the type of angle in this lessonc. It measures half the difference of the arcs it intercepts.

7 0

3 years ago

Help I’m so confused

velikii [3]

Answer:

5x: linear; monomial

-7: constant; monomial

x^2 + 4: quadratic, binomial

x^2 - 3x + 11: quadratic, trinomial

2x - 9: linear, binomial

Step-by-step explanation:

Name using degree: just count the highest number of variables in a single term. if it's 0, its a constant polynomial, if it's 1 it's linear, 2 quadratic, 3 cubic

Name using number of terms: just count the number of "things" added or subtracted. If there's one, it's a monomial, two: binomial, three: trinomial.

6 0

2 years ago

PLS Help Asap! i will award brainliest On her way to her grandmother's house, Jackie traveled three times as many miles by train

nirvana33 [79]

Answer:

24 miles.

Step-by-step explanation:

Jackie traveled four times as many miles by bus as by foot. This means that the number of miles travelled by bus is 4 units, and the number of miles travelled by foot is 1 unit.

Jackie traveled three times as many miles by train as by bus. We know that the number of miles travelled by bus is 4 units, so the number of miles travelled by train is $4\times3=12$ units.

Total number of units: $12units+4units+1unit=17units$

$17units=34$

Divide 17:

$1 unit=2$

The number of miles travelled by train is 12 units:

$12units=2\times 12=24$

She travelled 24 miles by train.

5 0

3 years ago