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QveST [7]
3 years ago
5

Which number is prime 70 49 31 85

Mathematics
1 answer:
jeka57 [31]3 years ago
4 0
31 is a prime number because only 1 times itself equals 31. no other two factors equal 31 as a product.
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Sheila bought 10 1⁄2 oz of almonds for $3.36. how much did the almonds cost per ounce?
Verdich [7]
Cost per ounce means you take the cost and divide it by the cost: 

<span>3.36 / (21/2) </span>

<span>division of fractions changes to the multiplication of the reciprocal: </span>

<span>3.36 * (2 / 21) </span>

<span>3.36 and has 21 as a factor, so let's cancel it: </span>

<span>0.16 * 2 </span>

<span>$0.32 per ounce</span>
4 0
3 years ago
Which point lies on the graph of y = 2?A. (1.2)B. (1-2)C. (2, 18)D.(3, 2)
irinina [24]

A garph y=2 represents a line parallel to the x axis with the y coordinate equal to 2.

The point which lies on the y=2 graph has its y coordinate equal to 2.

In the given options, (3,2) is the coordinate with the y coordinate equal to 2.

Hence, (3,2) lies on the graph of y = 2.

Option (D) is the answer.

3 0
1 year ago
What is the fourth term of the sequence? <br> a1 = m<br> an = 2an-1<br><br> 2m<br> 4m<br> 6m<br> 8m
harkovskaia [24]

Answer:

8m.

Step-by-step explanation:

an = 2 an-1 means that each term in the sequence( except the first) is obtained by multiplying the last term by 2, so the first 4 terms are m, 2m, 4m, 8m.

3 0
3 years ago
Read 2 more answers
How many and what type of solutions does 7x^2−4x+3 have? 1 rational solution 2 rational solutions 2 irrational solutions 2 nonre
Gre4nikov [31]

Answer:

2 non real solutions.

Step-by-step explanation:

We need to use discriminant,

for ax²+bx+c=0

The discriminat is b²-4ac

If the discriminant is,

→ less than 0, then 0 real solutions

→ equal to 0, then 1 real solutions

→ more than 0, then 2 real solutions

Given that,

7x²−4x+3=0

a=7, b=-4, and c=3

→ (-4)²-4(7)(3)

→ 16-84

→ -68

You can see this is less than 0, then non real solutions. [2 nonreal solutions]

7 0
3 years ago
Read 2 more answers
PLEASE HELP I NEED THE ANSWER ASAP
Andreas93 [3]

Answer:

x>3, the last option with the open circle

Step-by-step explanation:

7 0
3 years ago
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