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2 years ago

13

Christopher columbus' ships had traveled for 16 days. How many miles did they travel in a day, on average, if the distance of th

eir so far was 2,320 miles?

2 answers:

Naddika [18.5K]2 years ago

4 0

Answer:

On average, they travel 145 miles in a day

Step-by-step explanation:

2,320 ÷ 16 = 145

Reil [10]2 years ago

3 0

145 miles a day is the average pace he sailed

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Danae is choosing between two jobs. One job pays an annual bonus of $1,500 plus $120 per day worked. The second job pays an annu

Zigmanuir [339]

Answer:

C

Step-by-step explanation:

<u>Job A:</u>

Bonus of $1500
$120 per day for $d$ days is 120 multiplied by $d$ . Which is $120d$
Total Payment = $1500+120d$

<u>Job B:</u>

Bonus of $2500
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Solving these 2 equations for $d$ would tell us after how many days both job would pay the same. Answer choice C is correct.

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3 years ago

Read 2 more answers

tia_tia [17]

Answer:

$8-6i$

Step-by-step explanation:

Multiply out $(3-i)^2$ in order to find out which expression it is equivalent to.

1) Since the whole quantity is squared, write it out as $(3-i)(3-i)$ .

$(3-i)^2\\(3-i)(3-i)$

2) Multiply binomials by using the FOIL method. Multiply the terms that are listed first in each binomial, then the ones that are listed outermost when looking at both binomials, then innermost, and finally the last terms listed in each binomial. Simplify and combine like terms.

$(3-i)(3-i)\\9 - 3i - 3i + i^2$

$9 - 6i + i^2$

3) $i = \sqrt{-1}$ , so $i ^2$ must be $(\sqrt{-1} )(\sqrt{-1})$ . Thus, $i^2$ is equivalent to -1. Knowing this, simplify and combine like terms.

$9 - 6i + ((-\sqrt{1} )(\sqrt{-1} ))$

$9 - 6i -1\\8 - 6i$

Thus, it is equivalent to $8 - 6i$ .

6 0

3 years ago

A deer can run for 2 hours at the speed of 45 mph how far can It run in that time

Virty [35]

Answer:

90 mph

Step-by-step explanation:

if it can go 45 mph, in 2 hrs, it should go 90

45*2=90

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2 years ago

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What is the unit rate for 99/12

Nana76 [90]

Answer:

99 ÷ 12

12 ÷ 12

=

8.25 cm

1

=

8.25

cm

= 8.25 cm per cm

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3 years ago

Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form

Ahat [919]

Answer:

-3x + 4y = 40.

Step-by-step explanation:

Let's convert the equation to standard form:

y - 4 = 3/4(x + 8)

y - 4 = 3/4 x + 6

y = 3/4x + 10

Multiply through be 4:

4y = 3x + 40

-3x + 4y = 40 (answer).

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3 years ago