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kobusy [5.1K]
3 years ago
14

Which problem can be solved by division of decimals?

Mathematics
2 answers:
goblinko [34]3 years ago
6 0
<span>D.)What is Jeremy’s average if he received a total of 323.7 points on 7 tests? 
is the answer hope this helps

</span>
Umnica [9.8K]3 years ago
5 0

Answer:

D

Step-by-step explanation:

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A total of 638 tickets were sold for the school play. They were either adult tickets or student tickets. There were 62 fewer stu
UNO [17]
You need to subtract 638 and 62 and that will give 576
5 0
3 years ago
The placebo effect is an example of a(n) experimenter bias. participant bias. random assignment bias. random selection bias.
densk [106]

Answer:

participant bias

Step-by-step explanation:

Participant bias is sometimes called as subject bias. it is referred to as the tendency of a subject that forces them to act in an experiment. it is held because that they think researchers is looking up to them to act. it occurs only when the subject has detail knowledge about the study or project.

Participant bias is a subject initiative to know about the inner thought of the researcher so the subject acts according to what the researcher wants to hear.

4 0
3 years ago
There are two values of a for which the equation 5x2+ax+7x+5=0 has only one solution for x. What is the sum of those values of a
JulsSmile [24]

Answer:

-14

Step-by-step explanation:

First of all, we know that 5x^2+ ax+7x +5=0 only has one root. That means that b^2 - 4ac=0, and we can use this to find the discriminant, ax + 7x.

Now, if we simplified 5x^2+ ax+7x +5=0, by dividing it all by 5, it would be x^2+(a+7)/5x + 1 = 0.

After, we can plug what we know into the formula, b^2 - 4ac=0. It would be:

(a+7)^2 / 25 - 4 = 0

(a+7)^2 / 25 = 4

(a+7)^2 = 100

Since this is a square root, a+7 can be both negative or positive.

a+7= 10, or a+7 = -10

a=3, or a=-17

The question asks for the sum of a, which is 3 + (-17) = -14

Therefore, the answer is -14.

:) have fun with your rsm problems, assuming you got this from the portal.

7 0
3 years ago
Mr. Martin is giving a math test next period. The test, which is worth 100 points, has 29 problems. Each problem is
umka2103 [35]

Answer:

the answer is A. x + y = 29, 5x + 2y = 100

Step-by-step explanation:

just finished the question

6 0
3 years ago
I need Your help Plish✍​<br>(brainliest)
Anit [1.1K]

Answer:

1/5 2/5

Step-by-step explanation:

There is 5 zones meaning its 1 out of 5.

If you flip twice its double your chance.

Hope This Helps

6 0
3 years ago
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