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bazaltina [42]
3 years ago
15

Solve simultaneous equations:

tle="y = x^{2} + 2x -5 " alt="y = x^{2} + 2x -5 " align="absmiddle" class="latex-formula"> and y =  2x + 1
Mathematics
1 answer:
stepan [7]3 years ago
8 0
I hope this helps you y=2x+1=x^2+2x-5 2x+1=x^2+2x-5 2x-2x+1+5=x^2 x^2=6 take square root two sides x=square root of 6 x=\/6 y=2x+1 y=2.square root of 6+1 y=2\/6+1
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What is 25 and 5/8-12
Burka [1]
92/3, i calculated 25+5/8 over 12
and if u divide 92/3 u get 30.66
6 0
3 years ago
A recipe calls for 15oz of flour every 8 oz of milk. if you use 15oz of milk, how much flour should you use
maksim [4K]
We are given that 8 oz of milk requires 15 oz of flour.

To know the amount of flour needed for 15 oz of milk, we will simply use cross multiplication as follows:
amount of flour needed = (15*15) / (8) = 28.125 oz
8 0
3 years ago
The walking track at one fitness center is a 2/5 mile loop. If Kara walks around the track 8 1/2 times, how many miles does Kara
bazaltina [42]

Kara walks A. 3 2/5 miles

Step-by-step explanation:

Step 1; We must calculate how much 2/5 miles is. 2/5 miles equals 0.40 miles. Kara walks this distance times 8 1/2. 8 1/2 times equals 8.5 times. So the distance she walked is the number of loops walked × distance of each loop.

Total distance walked = Number of loops walked × distance of each loop

                                      = 8.5 loops × 0.20 miles = 3.4 miles

Step 2; In order to check which option this is, we must know what values all the given options are equal to

A. 3 2/5 miles equals 3 miles + 2/5 miles = 3 + 0.20 = 3.20 miles.

B 4/85 miles equals 0.047 miles which is lesser than one loops distance.

C. 8 9/10 miles equals 8 miles + 9/10 miles = 8 + 0.90 = 8.90 miles

D. 21 1/4 miles equals 21 miles + 1/4 miles = 21 + 0.25 = 21.25 miles.

So the answer is option A.

5 0
3 years ago
Multiply. (7x-4)(4x-3)
dlinn [17]

<u>Your answer is 28x^2-37x+12</u>

<u>1) Use the FOIL method: (a+b)(c+d)=ac+ad+bc+bd</u>

28x^2-21x-16x+12

<u>2) Collect like terms</u>

28x^2+(-21-16x)+12

<u>3) Simplify</u>

28x^2-37x+12


7 0
3 years ago
Read 2 more answers
37.5 to the nearest degree
frutty [35]

Answer:

38 degrees

Step-by-step explanation:

if it is half a tenth or more, it gets rounded up to the next degree

5 0
3 years ago
Read 2 more answers
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