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3 years ago

Can someone help me with 3?

Mathematics

1 answer:

miskamm [114]3 years ago

6 0

Answer:

a or c

Step-by-step explanation:

sana makatulong

sabi mo 3 lang yan tapos na

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Create a system of equations that has a solution of (1, 2)

Rus_ich [418]

Two equations could be y=2x and y=4x-2

8 0

3 years ago

Weights of different sandwiches in two lengths are shown in the table.

Alexandra [31]

Answer:

Egg salad sandwich is proportional to its length

Step-by-step explanation:

Weight of Sandwiches by Length of Roll

6-inch Roll 12-Inch Roll

Cheese sandwich $\frac{1}{4}$ $\frac{3}{4}$

Chicken salad sandwich $\frac{3}{4}$ $1\frac{3}{4}$

Egg salad sandwich $\frac{2}{3}$ $1\frac{1}{3}$

For cheese sandwich proportion

$\frac{6}{\frac{1}{4}}=\frac{12}{\frac{3}{4}}\\24 \neq 16$

So, Cheese sandwich weight is not proportional to its length

For Chicken salad sandwich proportion

$\frac{6}{\frac{3}{4}}=\frac{12}{\frac{7}{4}}\\8 \neq \frac{48}{7}$

So, chicken salad sandwich is not proportional to its length

For Egg salad sandwich proportion

$\frac{6}{\frac{2}{3}}=\frac{12}{\frac{4}{3}}\\9=9$

So, egg salad sandwich is proportional to its length

6 0

3 years ago

What are the solutions to the inequality (x-3)(x+5) SO?

nikitadnepr [17]

Answer:

−

Step-by-step explanation:

3 0

3 years ago

The probability that a single radar station will detect an enemy plane is 0.65. (a) How many such stations are required to be 98

Inga [223]

Answer:

4 stations

Step-by-step explanation:

If we need to be at least 98% certain that an enemy plane flying over will be detected by at least one station, we must ensure that there is at most a 2% chance that no radar stations detect the plane.

The probability that a single radar station does not detect the plane is 0.35.

For n radar stations:

$P=0.02=0.35^n\\n=\frac{log(0.02)}{log(0.35)}\\n=3.73$

Rounding up to the next whole station, at least 4 stations are needed.

4 0

3 years ago

15% of $70 get it correct for a 100 I need proof first

lana [24]

Answer: 170% da da

Step-by-step explanation:

5 0

3 years ago

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