2 years ago

Cheryl writes 7 fewer posts than Kevin on a social media site.

Mathematics

1 answer:

Lostsunrise [7]2 years ago

5 0

Answer:

She wrote 14 points

Step-by-step explanation:

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Ron used 121 congruent equilateral triangles with 2 cm side lengths to form one large equilateral triangle. What is the perimete

Pepsi [2]

The number of smaller triangles along one side of the larger triangle is the square root of the total number of triangles. The perimeter of the large triangle is ...
3*(2 cm)*√121 = 66 cm

5 0

3 years ago

At 11 AM, one share of Starbucks stock was $20. By 4 PM the price was $18.

Nastasia [14]

Answer:

.40 cents per hour. it dropped $2 over 5 hours. 4×5=20 so .40×5= 2.00

4 0

2 years ago

A shipping container contains seven complex electronic systems. Unknown to the purchaser, two are defective. Two of the seven ar

kodGreya [7K]

Answer:

$\large\boxed{\large\boxed{10/21}}$

Explanation:

There are only two mutually exclusive possibilities for each complex electronic system: being defective or being not defective:

Number of complex electronic systems: 7
Nmber of defective systems: 2
Number of not defective systems: 5

Probability that no defective systems are found in the sample is the equal to the probability of selecting them consecutively without replacement and finding each one is not defective:

Porbability the first is not defective × probability the second is not defective

5/7 × 4/6 = 20/42 = 10/21

4 0

2 years ago

HELP.... square root of y5

dmitriy555 [2]

Sqrt (y^4 * y)
Sqrt y*4 = y^2
y^2 sqrt y

4 0

3 years ago

What is the x-coordinate of the solution to the following system of equations?

tatyana61 [14]

Answer

X-2y = 2

3x + y = 6

Ox=-2

Ox=0

Ox=2

Ox=3

= 0

Step-by-step explanation:

easy

8 0

2 years ago