Ask question

Ask question

All categories

3 years ago

14

Drew and Jan decide that they want to put their money together to buy a video game.write an expression that shows how much they

can save each week.explain.

1 answer:

yulyashka [42]3 years ago

4 0

A week has 7 days.

Let d be the money that Drew can save in one day and j be the money that Jan can save in one day.

Then, their total savings for a week = 7d + 7j

= 7(d + j)

You might be interested in

Examine the diagram, where BD is tangent to circle M at point D, and BA is secant to the same circle at points E and A.

Stella [2.4K]

Answer:

19 = x

Step-by-step explanation:

The square of the tangent segment = The product of (whole secant segment) (the outside part of the secant segment)

BD²= (BA)(BE)

8² = (4 + x - 7) (4) BA = BE + EB

8² = (x - 3)(4)

64 = 4x - 12

64 + 12 = 4x

76 = 4x

19 = x

3 0

1 year ago

Fine the domain and range of the relation, and indicate whether or not it is a function.<br> Y=2x+3

lilavasa [31]

It's a non-constant linear function, so both the domain and the range are all real numbers.

8 0

3 years ago

Find the limit if it exists lim x→0 sqrtx+7-sqrt7 over x

Triss [41]

Answer:

$\frac{1}{ 2\sqrt{7} }$

Step-by-step explanation:

$\lim_{x\to 0} \frac{ \sqrt{x + 7} - \sqrt{7} }{x} \\ \\ = \lim_{x\to 0} \frac{( \sqrt{x + 7} - \sqrt{7}) }{x} \times \frac{( \sqrt{x + 7} + \sqrt{7}) }{( \sqrt{x + 7} + \sqrt{7}) } \\ \\ = \lim_{x\to 0} \frac{( \sqrt{x + 7} )^{2} - (\sqrt{7})^{2} }{x( \sqrt{x + 7} + \sqrt{7})} \\ \\ = \lim_{x\to 0} \frac{( {x + 7} - {7}) }{x( \sqrt{x + 7} + \sqrt{7})} \\ \\ = \lim_{x\to 0} \frac{ {\cancel x}}{\cancel x( \sqrt{x + 7} + \sqrt{7})} \\ \\ = \lim_{x\to 0} \frac{ {1}}{\sqrt{x + 7} + \sqrt{7}} \\ \\ = \frac{1}{ \sqrt{0 + 7} + \sqrt{7} } \\ \\ = \frac{1}{ \sqrt{7} + \sqrt{7} } \\ \\ = \frac{1}{ 2\sqrt{7} }$

6 0

2 years ago

HELP <br><br>Solve the formula E = /(R + r) for r.

ahrayia [7]

Answer:

r= RE/I

Step-by-step explanation:

E=I(R+r)

divide both sides by I

E/I = R+r

subtract both sides by R

R(E/I) = r

r = RE/I

4 0

2 years ago

Help fast please who ever answer correct i will rate them excellent,

GaryK [48]

1. x =5

2. x = 7

3. p = 12

4. m=2

5. z = 10

5 0

2 years ago

Read 2 more answers