An alien blob started with a mass of 19 kg and is doubling in size every day. How large will the blob be after 2 weeks? y= a(b).

The blob will grow 215 kg in 2 weeks.

Step-by-step explanation:

As an alien blob started with a mass of 19 kg and is doubling in size every day.

Thus, we can use the equation

where x is the number of days and y is the mass size of the alien blob

as

so plugin x = 14 to determine the size of the blob after two weeks

Thus,

y = x² + 19

y = (14)² + 19

y = 215 kg

Thus, the blob will grow 215 kg in 2 weeks.

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4