a) Sammie earns
£320×4% = £12.80
each year.

Joel earns
£420×3% = £12.60
each year.

Sammie earns the most interest.

b) Joel's interest after 5 years is
£12.60×5 = £63
so the total amount of money Joel will have is
£420 +63 = £483

5 0

3 years ago

Write ✓-3 in simplest radical form.

olga nikolaevna [1]

Step-by-step explanation:

In simplest radical form

= √-3

= -3^(1/2)

= √-3

= √3i

i is imaginary number, you can write it if you find a negative number in a square root

7 0

2 years ago

M=1/2 and the y-intercept is (0, -5)

Black_prince [1.1K]

Answer: plug in y=mx + b

Step-by-step explanation:

7 0

2 years ago

(5+3√2)² simplify the following<br>

madam [21]

Answer:

$(5+3\sqrt{2} )^{2} =43+30\sqrt{2}$

≈85.43

Step-by-step explanation:

apply the binomial theorem to the square

$=(5)^{2} +2(5)(3\sqrt{2} )+(3\sqrt{2} )^{2}$

$=25+30\sqrt{2} +18\\$

$=43+30\sqrt{2}$

≈85.43

Hope this helps

3 0

1 year ago

Read 2 more answers