3 years ago

Please answer asap.....

Mathematics

1 answer:

strojnjashka [21]3 years ago

4 0

A is the answer :) Hope this helps!

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Solve the inequality 2x2 + 10x < –8

BigorU [14]

Answer:

-4<x<-1

Step-by-step explanation:

To solve the problem, we divide the whole expression by 2:

2x^2 + 10x < –8 → x^2 + 5x < –4

→ x^2 + 5x + 4 < 0

Factorizing

→ (x+4)(x+1) < 0

The expression is ONLY negative when:

x>-4 and x<-1

Therefore, the solution is:

-4<x<-1

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3 years ago

45 miles per hour into feet per second please show work I am hopless :(

Pavel [41]

There are 5280 feet in a mile
45 * 5280 = 237600
there are 3600 seconds in an hour (60 minutes time 60 seconds)
so we have 237600 feet in 3600 seconds
237600 / 3600 = 66 feet per second.

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3 years ago

In a classroom of 20 students, 70% of them have brown eyes. If a teacher picks two students at random to pass out supplies, what

antiseptic1488 [7]

Answer:

6/20 can I get brainliest pleast

Step-by-step explanation:

$\frac{70}{100} \times 20 = 14 \\ 20 - 14 = 6 \\$

there is a chance that the teacher will pick a student without brown eyes 6/20 times

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2 years ago

Tony borrows $7,000 from a friend

Orlov [11]

Answer:

5%100 ×R200

Step-by-step explanation:

Address and u the one for me please

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3 years ago

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Mattis saving to buy a new motorcycle. If he deposits $50 at the end of each month in an account that pays an annual interest ra

liq [111]

In thirty months you should have 5,250.00

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3 years ago