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beks73 [17]
2 years ago
9

Can Someone please help with my math

Mathematics
2 answers:
IRINA_888 [86]2 years ago
4 0

Answer:  B, E

Step-by-step explanation: According to PEMDAS, do exponents first since you dont have parenthesis.

10^3 is  is 1000, and the next one is Multiplication.

1000 x 1.56 is 1560.

Then you do 25,000 - 1560 which is 23,440

A is incorrect.

B is correct.

C is incorrect.

D is incorrect because 10 ^3 is 1000 and 9.4 x 1000 is 9,400

E is correct because 10 ^ 4 is 10,000 and 10,000 x 2.344 is 23,440.

F is incorrect because 10 ^ 4 is 10,000 and 10,000 x 2.4844 is 24,844

ad-work [718]2 years ago
3 0

Answer:

B and E

Step-by-step explanation:

1.56 x 10³ = 1.56 x 1000 = 1,560

25,000 - 1,560 = 23,440

B gives the value directly

E is 2.344 x 10⁴ = 2.344 x 10,000 = 23440 which is correct

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Answer:

D. 100

Step-by-step explanation:

1. Find the z-score: 165-176/11.4 = -1.2

2. Find the percentage of the z-score. Here it's 16.85%

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4. Multiply the percentage by the number of members: 83.15%*120 = 99.78

5. Round it to a whole number because someone can't be 0.78 of a person. You get 100 members.

Also, I took the test :)

7 0
3 years ago
Determine which of the following equations, when graphed, intersect at the point (4, 0).
dexar [7]

Answer:

x - y = 4

x + y = 4

Step-by-step explanation:

Substitute x=4 and y=0 in every equation. If both sides of the equal sign are equal, (LS=RS, left side equals right side) then the graph intersects at (4,0).

- x - y = 4

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x - y = 4

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4 = 4

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2 x + y = 7

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2 x + y = -7

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2 x - y = 7

2(4) - 0 = 7

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8 = 7

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Only x - y = 4  and x + y = 4  intersect at (4, 0).

4 0
3 years ago
I need help with both of those questions
mrs_skeptik [129]
Im nor sure which 2 you are reffering to, but I believe 5.1 x 10 to the power of 4 would be 51,000 and the shape with 3 unequal angles is a triangle?
4 0
3 years ago
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identify the special product by writing the letter of the answer on the space provided ( question in photo number 1 )
Taya2010 [7]

Question:

Solution:

Note that :

x^2+9x\text{ + 20 = 1(x+4)(x+5)}

where the left hand of the equation represents a trinomial and the right hand of the equation represents a product of two binomials. Then, we can conclude that the correct answer is:

B

8 0
1 year ago
13 copies of the small rectangle shown below have been used to make the larger rectangle.
Nikolay [14]

Answer:

4800

Step-by-step explanation:

length = 20mm X 3 = 60mm

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I hope it helps you!

8 0
2 years ago
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