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3 years ago

PLZZZ HELP IM COO CONFUSED I WILL GIVE BRAINLIEST

Mathematics

1 answer:

nikitadnepr [17]3 years ago

8 0

Answer: Your answer will be (13/52)(12/51)(11/50)

The reason is because each card is not replaced so the number of cards with hearts, as well as the overall card number goes down.

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Melissa buys 2.5 pounds of salmon and 1.25 pounds of swordfish. She pays a total of $31.25. The swordfish costs $0.20 per pound

mariarad [96]

Answer:

The combined cost of 1 pound of salmon and 1 pound of swordfish is $16.60

Step-by-step explanation:

Let $x be the cost of 1 pound of salmon.

The swordfish costs $0.20 per pound less than the salmon, then $(x-0.20) is the cost of 1 pound of swordfish.

Melissa buys 2.5 pounds of salmon and pays $2.5x for salmon.

Melissa buys 1.25 pounds of swordfish and pays $1.25(x-0.20) for swordfish.

She pays a total of $31.25, then

$2.5x+1.25(x-0.20)=31.25$

Solve this equation.

$2.5x+1.25x-0.25=31.25\\ \\2.5x+1.25x=31.25+0.25\\ \\3.75x=31.50\\ \\375x=3,150\\ \\x=\dfrac{3,150}{375}\\ \\x=8.4$

Costs:

1 pound of salmon - $8.40

1 pound of swordfish - $8.20

Combined - $16.60

3 0

3 years ago

The Utica Boilermaker is a 15-kilometer road race. Sara is signed up

xeze [42]

Answer:

10 miles

Step-by-step explanation:

10 miles= 16093.44km

44880ft=13.679424km

15560yards= 14.228064

3 0

3 years ago

A student attempted to generate an equivalent expression using the distributive property, as shown below: 5(x − 1) = 5x − 1 What

Goshia [24]

Answer:

5 was not multiplied by -1

6 0

3 years ago

YA'LL I REALLY NEED HELP !!!!!! Which ordered pair is a solution to the system of inequalities? y ≤ x and y ≤ –2

pochemuha

Answer: C. (2, -4)

Step-by-step explanation:

Take into consideration that y is less than or equal to -2. The only option in which the y value is less than or equal to -2 is option C., thus C would correctly solve the system of inequalities.

4 0

3 years ago

Farmer planting corn and soybeans: A farmer has a 320 acre farm on which she plants two crops: corn and soybeans. For each acre

tatyana61 [14]

Answer:

Let x represents acres of corn to be planted.

Let y represents acres of soybeans to be planted.

A farmer has a 320 acre farm on which she plants two crops. We get;

$x+y\leq 320$

Other equations as per scenario becomes:

$x\geq 0$

$y\geq 0$

$50x+100y\leq 20000$

$100x+40y\leq 19200$

We have to find the profit. So let the profit be p. We can give this by:

$p(x,y)=60x+90y$

When we graph these functions, we get the following.

(0,200) putting these in $p(x,y)=60x+90y$ we get profit as $1800

(140,130) , we get $20,100

(192,0) we get $11520

In the graph, we have points (240,180) but this is not possible as $x+y\leq 320$ so, we have (140,130) to get the maximum profit.

7 0

4 years ago