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2 years ago

Someone pls help with this

Mathematics

1 answer:

JulijaS [17]2 years ago

3 0

Answer:

B) 3:4

Step-by-step explanation:

since (p,r) lies on y=x+b , it will satisfy the equation

=> r = p + b ......(1)

also, (2p,5r) lies of y=2x+b,it will satisfy the equation

=> 5r = 4p + b .....(2)

Subtracting (1) from (2),we get

4r=3p

Therefore,r:p=3:4

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Raymond has two seven foot long boards, and wants to cut fifteen inch long peices from each; what is the greatest number of peic

anastassius [24]

7ft = 84in 84 ÷ 15 = 5.6 pieces he can cut from each board. Since .6 is not a whole piece measuring 15 inches long, he can only cut 5 pieces from each board.

So, 5 x 2 = 10

He would be able to cut 10 pieces measuring 15 inches long.

Hope this helps :)

7 0

3 years ago

Read 2 more answers

Which angle measures create a triangle with three different side lengths. 40°, 40°, and 100° 65°, 65°, and 65° 45°, 45°, and 90°

Gala2k [10]

Answer:

29°, 58°, and 93°

Step-by-step explanation:

If the angles opposite are equal, the sides are equal. In order to have three different side lengths, you must have three different angles.

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3 years ago

40x=10x^2+41 Identify the number of solutions and their types using the discriminant

nydimaria [60]

Number of solutions: no roots

Type of solution: Not Real

Step-by-step explanation:

We need to identify the number of solutions and their types using the discriminant.

We are given: $40x=10x^2+41\\$

Rearranging:

$40x-10x^2-41=0\\10x^2-40x+41=0$

Discriminant can be found by: $b^2-4ac$

where b=-40, a=10 and c=41

Putting values:

$b^2-4ac\\=(-40)^2-4(10)(41)\\=1600-1640\\=-40\\$

So, Discriminant is -40

If the discriminant is less than zero i.e -40 then there are no real roots.

So, Number of solutions: no roots

Type of solution: Not Real

Keywords: discriminant

Learn more about discriminant at:

#learnwithBrainly

6 0

3 years ago

4х = 32 А. x= 9 В. x= 8 с. x= 28 D. х = 128

STatiana [176]

Answer:

Step-by-step explanation:

Step 1: Divide both sides by 4.

4x/4 = 32/4

4x/4 leaves you with x by itself, and 32/4 is 8. So x = 8

3 0

3 years ago

Can you maybe put up the explanation too and not just the answer? Thank you

kakasveta [241]

Hope it helps you! .........

3 0

3 years ago