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zysi [14]
3 years ago
5

1. Lauren’s scores on her four math tests are: 83%, 79%, 94%, and 96%. What is the lowest score Lauren needs to achieve an avera

ge score greater than 85?
2. Twice an integer increased by 6 is less than 48.

A. Write an inequality.





B. What is the largest integer this could be?
Mathematics
1 answer:
yuradex [85]3 years ago
8 0

Answer:A

Step-by-step explanation:

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Help needed....
LenKa [72]
The answer is C) y = 4x - 3
B and D can be eliminated by substituting 0 for x in each...the result is not -3
Now you have a 50/50 chance of getting the question correct
5 0
3 years ago
What is the area of the triangle below?<br> HELP ASAP
lbvjy [14]

Answer:

C. 60 sq. units

Step-by-step explanation:

15 times 8 is 120.

120 divided by 2 is 60.

8 0
3 years ago
Read 2 more answers
The population of a certain country is expected to double every 32 years. The population of this country was 4.2 million people
mojhsa [17]

Answer:

2.2%

Step-by-step explanation:

Given the following :

Population in year 2000 (A) = 4.2 million

Expected population every 32 years = 2 *A

The growth rate per year =?

The population figure after 32 years = (2 * 4.2 million) = 8.4 million

Using the exponential growth formula :

P(t) = A × (1 + r)^t

(1 + r) = g = Total growth percent

A = Initial population

t = time

P(t) = 8.4 million

8,400,000 = 4,200,000 × g^32

g^32 = (8400000/4200000)

g^32 = 2

Taking the root of 32 on both sides

g = 1.02189714865

g = (1 + r)

1.02189714865 = 1 + r

r = 1.02189714865 - 1

r = 0.02189714865

.rate = 0.02189714865 * 100

= 2.18971486541%

= 2.2% ( nearest tenth)

4 0
3 years ago
What is the value of x ?
jeyben [28]
X is going to equal 2.75
3 0
3 years ago
Read 2 more answers
The graph of the function f(x) = -(x+3)(x - 1) is shown below. What is true about the domain and range of the function? у The do
Nataly_w [17]

Answer:

The domain will be all real numbers, range will be all real numbers below -3

Step-by-step explanation:

its quadratic so it goes forever left and right. but the vertex has a y value of -3. It is a negative sloped graph, so anything below that is in the range

5 0
3 years ago
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