Do the ratios 4:18 and 2:9 form a proportion?
yes
no

Answers

Answer 1

Answer:

Answer:

Yes. A propotion is to check if two things are equivelent. The ratios 4:18 and 2:9 are equivelent.

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Simplify 3 square root of 10 end root plus 7 square root of 15 end root minus 6 square root of 10 end root minus 4 square root of 15.3 square root of 10 end root minus 3 square root of 15
3 square root of 15 end root minus 3 square root of 10
3 square root of 30 end root minus 3 square root of 20
3 square root of 20 end root minus 3 square root of 30

Answers

3√10 + 7√15 - 6√10 - 4√15
3√10 - 6√10 + 7√15 - 4√15
-3√10 + 3√15

The answer is B.

Answer:

Step-by-step explanation:

Find the discount for a $200 item on sale for $150

Answers

$\$200-\$150=\$50\n\n \begin{array}{ccc}\$200&-&100\%\n\n\$50&-&p\%\end{array}\n\n200p=50\cdot100\ \ \ /:200\n\np=(50\cdot100)/(200)\n\np=25\n\nAnswer:The\ discount\ is\ 25\%.$

Answer:

25%

Step-by-step explanation:

Which of the following are true statements about the expression 5 + (-5) 1. the expression equals 0.
2. The expression equals 10.
3. The expression describes the number that is 5 to the left of 5 on the number line.
4. The expression describes the number that is 5 to the right of 5 on the number line.

Answers

Answer:

$\huge\boxed{\sf The \ expression\ equals \ zero}$

Step-by-step explanation:

=> 5 + (-5) [ + (-) = - ]

=> 5 - 5

=> Zero

Final answer:

The expression 5 + (-5) equals 0 and describes the number that is 5 to the left of 5 on the number line.

Explanation:

The true statements about the expression 5 + (-5) are:

The expression equals 0.
The expression describes the number that is 5 to the left of 5 on the number line.

When we add a positive number and a negative number with equal magnitudes, the result is always 0. In this case, 5 + (-5) equals 0. Alternatively, we can interpret the expression as starting from 5 and moving 5 units to the left (in the negative direction), which also leads to 0 on the number line.

Learn more about Addition of positive and negative numbers here:

brainly.com/question/34274134

#SPJ2

200 books ; 75% decrease

Answers

the answer is 150 because you figure that 75 is 3/4 of 100. and 1/4 of 200 is 50. or you can do

.75*200=150

Please help i dont understand this7. (5 points) Write an explicit rule for the geometric sequence: 2048, 512, 128, 32, ...

Answers

Answer:

1998

Step-by-step explanation:

Solve the inequality. 4(x – 3) – 2x ≥ 5 – (x + 2)

Answers

$4(x-3)-2x\geq5-(x+2)\n\n4x-12-2x\geq5-x-2\n\n2x-12\geq3-x\ \ \ \ /+12\n\n2x\geq15-x\ \ \ \ /+x\n\n3x\geq15\ \ \ \ /:3\n\nx\geq5\n\nx\in\left< 5;\ \infty\right)$