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2 years ago

7

Erica, James, Stella, and Kim all did an experiment involving an electrically charged object. Who did repeated trials of his or

her experiment?

1 answer:

masha68 [24]2 years ago

7 0

The answer is D (Stella)

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What is the standard deviation of the data set? 1, 4, 2, 2, 8, 7, 3 Round your answer to the nearest tenth.

fomenos

The Answer is 2.7 For Sure

4 0

3 years ago

Read 2 more answers

Without looking, Luke picks necklace beads from a bag of 52 beads. Half the beads are rough. The other half are smooth. There ar

xz_007 [3.2K]

Answer: $\dfrac{1}{4}$

Step-by-step explanation:

Given

The total no of beads is 52

there 13-red,13-blue,13-green, and 13-black

favorable outcomes to select a blue bead is 13

Total outcomes are 52

Probability is given by

$P=\dfrac{\text{favorable}}{\text{Total outcomes}}\\\\\Rightarrow P=\dfrac{13}{52}=\dfrac{1}{4}$

7 0

2 years ago

5/9 divided 15 in simplest form

mihalych1998 [28]

$\bf \cfrac{5}{9}\div 15\implies \cfrac{5}{9}\div \cfrac{15}{1}\implies \cfrac{5}{9}\cdot \cfrac{1}{15}\implies \cfrac{1}{9}\cdot \cfrac{5}{15}\implies \cfrac{1}{9}\cdot \cfrac{1}{3}\implies \cfrac{1}{27}$

8 0

3 years ago

Anybody good at geometry

Butoxors [25]

I gotchu bruh.
Equilateral triangles got 60 per angle
Add 60 to that one next to 100 so you got 160 and the other triangle is iscosles so the equation is
160+60+60+x+x=360
2x=80
X=40

5 0

3 years ago

Find the value of each variable in the diagram given that a ∥ b.

Alika [10]

The values are as follows:

z=50

v= 150

x= 100

y=15

w= 50

<h3>What is parallel lines?</h3>

Parallel lines are lines in a plane that are always the same distance apart.

z+130= 180 (Linear pair)

z=50

v+ 30 = 180 (Linear pair)

v= 150

x= 180- 30 - 50 (angle sum property)

x= 100

2y=30 (alternate interior angle)

y=15

w+x+2y=180 (Linear pair)

w+ 100 + 30 = 180

w= 50

Learn more parallel lines here:

brainly.com/question/16701300

#SPJ1

4 0

2 years ago