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3 years ago

11

In one version of a trail mix there 4 cups of peanuts mixed with 2 cups of raisins. In another version of trail mix there are 6

cups of peanuts mixed with 3 cups of raisins are the ratios equivalent for the two mixes

1 answer:

spayn [35]3 years ago

7 0

Answer:

No, they are not equivalent.

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How many terms are there in the following expression: 3a + 3ab + 7b – 2c – 4d

Anastasy [175]

Lets count...
3a...thats 1 term
3ab...thats 2
7b....thats 3
-2c....movin on up to 4
-4d....and we end at 5

so this expression has 5 terms since none of the terms can be combined :)

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4 years ago

7⋅5+(4^2−2^3)÷4 answers: 49 41 34 9

Bess [88]

Answer: 37

Step-by-step explanation:

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3 years ago

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You collect a total of $75 in donations from three people. The three donations are in the ratio 4 : 4 : 7. (hint: set up an equa

Amanda [17]

Answer:

Step-by-step explanation:

Since the ratio is 4x:4x:7x, if we add all those numbers up we get 15. Then we do 75/15 to get what x equals. So we get 5. So x equals 5. Following the rules of multiplication, you do 4(5):4(5):7(5), and simplifying that further, you get 20:20:35. If we add all those values up, we should get 75, and we do!

If you're wondering why I did 4x:4x:7x instead of 4:4:7, it's because a ratio is just a...well ratio? It's easier to visualize if you put a variable because the variable could be anything, and you would have to multiply all the given values to get the same proportions. In summery, I did it so it was easier to visualize

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4 years ago

Write two expressions that show that decreasing a quantity by 10% is the same as multiplying that quantity by 0.9

Contact [7]

Step-by-step explanation:

x -0.1x = x(1-0.1) = 0.9x

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3 years ago

△WPJ∼△DNJ<br> What is PWPW ?<br> Enter your answer in the box.

Kruka [31]

Use <em>CPCTC</em> and make ratios and proportionalities to find the value of segment PW:

If △WPJ∼△DNJ, then according to CPCTC, WP must be proportional to DN and PJ must be proportional to JN. Now, we can make a ratio:

$\frac{WP}{DN}= \frac{PJ}{NJ}$

Substitute the values that are given in the diagram.
DN=87.5
NJ=56
PJ=64

$\frac{WP}{87.5}= \frac{64}{56}$

Solve for x. You can do it by cross-multiplication.

$\frac{WP}{87.5}= \frac{64}{56} \\ 56*WP=64*87.5 \\ 56*WP=5600 \\ WP=100$

The measure of segment WP is 100 meters.

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3 years ago