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Ivan
3 years ago
11

Consider the following statement: The sum of two numbers is always greater than the larger number. Which of the following is tru

e?
A The statement is true because adding is always the act of increasing the size of a quantity; therefore, the new size is always bigger.

B The statement is true because the product of two numbers is always greater than the larger number, and multiplication is just repeated addition.

C The statement is false because any number times zero is zero, with is not larger than the number.

D The statement is false because of the counterexample:
Mathematics
2 answers:
g100num [7]3 years ago
4 0

Answer:

C because you are multiplying. Since you can do zero multiplied zero to get zero, therefore, zero has not changed as the bigger number.

Mars2501 [29]3 years ago
3 0
The answer is D because when you are adding a negative number the sum will be less the the largest number even though when adding a positive number the sum could end up being larger
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Is 13 a perfect square
ladessa [460]
1^2=1 \\ 2^2=4 \\ 3^2=9 \\ 4^2=16 \\ 5^2=25 \\ 6^2=36 \\ 7^2=49 \\ 8^2=64 \\ 9^2=81 \\ 10^2=100 \\ 11^2=121 \\ 12^2=144 \\ \boxed{13^2=169} \\  14^2=196 \\ 15^2=225 \\
8 0
3 years ago
PLEASE HELP! WILL GIVE 70 POINTS!!
Tresset [83]

Answer:

A=189\ mm^2

Step-by-step explanation:

<u>Surface Areas </u>

Is the sum of all the lateral areas of a given solid. We need to compute the total surface area of the given prism. It has 5 sides, two of them are equal (top and bottom areas) and the rest are rectangles.

Computing the top and bottom areas. They form a right triangle whose legs are 4.5 mm and 6 mm. The area of both triangles is

\displaystyle A_t=2*\frac{b.h}{2}=b.h=(4.5)(6)=27 mm^2

The front area is a rectangle of dimensions 7.7 mm and 9 mm, thus

A_f=b.h=(7.5)(9)=67.5 \ mm^2

The back left area is another rectangle of 4.5 mm by 9 mm

A_l=b.h=(4.5)(9)=40.5  \ mm^2

Finally, the back right area is a rectangle of 6 mm by 9 mm

A_r=b.h=(6)(9)=54 \ mm^2

Thus, the total surface area of the prism is

A=A_t+A_f+A_l+A_r=27+67.5+40.5+54=189\ mm^2

\boxed{A=189\ mm^2}

4 0
3 years ago
Help me plz need help
atroni [7]

Answer:

Concept: Area

  1. area = \pi {r}^{2}
  2. We are given area hence 78.5 square meters
  3. We want the radius so we isolate
  4. 78.5 = \pi {r}^{2}
  5. Isolate for r to get r= 4.99 or 5 square units approximately
4 0
2 years ago
Read 2 more answers
The probability that Lexie is on time for a given class is 95%. If there are 32 classes during the semester, what is the best es
nignag [31]

Answer:

between 31 and 29 classes

Step-by-step explanation:

7 0
2 years ago
-2(y+12)=y-9
lions [1.4K]

1) y= -5

2) m = -1

3) k = 3

4) y = -5

Step-by-step explanation:

1) -2(y+12)=y-9

Solving:

-2(y+12)=y-9\\-2y-24=y-9\\Combining\,\,like\,\,terms:\\-2y-y=-9+24\\-3y=15\\y=15/-3\\y=-5

2) 8(-1+m)+3 = 2 [m-5 1/2]\\

Solving:

8(-1+m)+3 = 2 [m-5 \frac{1}{2} ]\\-8+8m+3=2 [m-\frac{11}{2} ]\\8m-5=2 [\frac{2m-11}{2} ]\\8m-5=2m-11\\Combining\,\,like\,\,terms:\\8m-2m=-11+5\\6m=-6\\m=-6/6\\m=-1

3) 8(12-k)=3(k+21) (Note: Considering 8(12-k)=3(k+21) instead of 8(12-k)=3(k=k+21))

Solving:

8(12-k)=3(k+21)\\96-8k=3k+63\\Combining\,\,like\,\,terms:\\-8k-3k=63-96\\-11k= -33\\k=-33/-11\\k=3

4) 2y-3(2y-3)+2=31

Solving:

2y-3(2y-3)+2=31\\2y-6y+9+2=31\\Combining\,\,like\,\,terms:\\2y-6y=31-9-2\\-4y=20\\y= 20/-4\\y = -5

Keywords: Solve for variables.

Learn more about Solve for variables at:

  • brainly.com/question/7014769
  • brainly.com/question/9390381
  • brainly.com/question/6465937

#learnwithBrainly

6 0
3 years ago
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