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3 years ago

In 2005 there were 1352 students in 2006 there were 1014 students work out the decrease in the number of students

Mathematics

1 answer:

Eduardwww [97]3 years ago

6 0

I’m. It sure but I need points so sorry

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One serving of soybeans contains 14 grams of protein and 8 grams of fat. One serving of rice contains 4 grams of protein and 1/2

mina [271]

Answer: 1.8 servings of soybean and 1.2 servings rice will be needed.

Step-by-step explanation:

Let x be the number of soybeans and y be the number of rice.

Then , According to the question , we have

$14x+4y=30\\\Rightarrow\ 7x+2y=15..................................(1)\\\\ 8x+\frac{1}{2}y = 15\\\Rightarrow\ 16x+y=30.............................(2)$

Multiply 2 on both the sides of equation (2), we get

$32x+2y=60................................(3)$

Subtract equation (2) from equation (3), we get

$25x=45\\\\\Rightarrow\ x=1.8$

Put x = 1.8 in equation (2), we get

$16x+y=30\\\\\Rightarrow\ y=30-16x\\=30-16(1.8)=1.2$

Hence, 1.8 servings of soybean and 1.2 servings rice will be needed.

8 0

4 years ago

I need help plsssssssss

vichka [17]

5 )

x^2 = 5^2 + 5^2

x^2 = 2 × 5^2

x = √( 2 × 5^2 )

x = 5√2 cm

_____________

6 )

x^2 = 30^2 + 40^2

x^2 = 900 + 1600

x^2 = 2500

x = √2500

x = 50 yards

7 0

3 years ago

Three times a number y is greater than -10

Marrrta [24]

Answer: 3y>-10

Step-by-step explanation:

7 0

4 years ago

Read 2 more answers

The diameter of a semicircle is 2 kilometers. What is the semicircle's perimeter? Use 3.14 for . 50 POINTS OR WHOEVER CAN HELP

Nina [5.8K]

Answer:

12.57 km

happy to help

please mark brainliest

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4 years ago

I NEED HELP ASAP!!

Ksenya-84 [330]

Answer:

8 and 2

Step-by-step explanation:

5+3=8

5-3=2

6 0

3 years ago