3 years ago

Sandra Wants to buy a new MP3 Player that is on sale for $95. She has saved $73. How much more money does she need?

Mathematics

1 answer:

Vikki [24]3 years ago

3 0

95-73= 22
she needs $22

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Given <1 and <2 are a linear pair, find the value of x if m<1 = 2x-5 and m<2 = 4x-7

Alecsey [184]

Answer:

Step-by-step explanation:

Linear pair means they form a line, or add to 180°.

2x − 5 + 4x − 7 = 180

6x − 12 = 180

6x = 192

x = 32

5 0

3 years ago

A tourist first walked 17km with a speed of v km/h. Then he hiked 12 km uphill with the speed that was 2 km/hour less than his o

ExtremeBDS [4]

Answer: $t=\frac{17}{v}+\frac{12}{v-2}$

Step-by-step explanation:

Given: A tourist first walked 17km with a speed of v km/h.

Since $Speed=\frac{distance}{time}$

therefore, $Time=\frac{distance}{speed}$

Let $t_1$ be the time he walked with speed v.

then $t_1=\frac{17}{v}$

Also he hiked 12 km uphill with the speed that was 2 km/hour less than his original speed.

Let $t_2$ be the time he hiked 12 km,

Then $t_2=\frac{12}{v-2}$

The total time for the whole trip is given by:-

$t=t_1+t_2=$

Substitute the values of $t_1$ and $t_2$ in the equation, we get

$t=\frac{17}{v}+\frac{12}{v-2}$

4 0

4 years ago

Check all that apply :<br><br> ((x^3)(x^-6))2

VashaNatasha [74]

Answer:x^(-6)

Step-by-step explanation:

((x^3)(x^(-6)))^2

Multiplying we get

(x^(3-6))^2

(x^(-3))^2

x^(-3x2)

x^(-6)

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3 years ago

HELPPP PLEASE!! I NEED AN ANSWER. what expressions are equal to 18 x 13?

Ostrovityanka [42]

6x39
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3 years ago

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A goat is tethered by a 6 metre rope to the outside corner of a shed measuring 4 metres by 5 metres in a grassy field. What area

Naily [24]

(3/4)∗π∗62=27π
Also , the goat can reach around the corners by 2 on the short sides and 1 on long side.creating 2 90 degree sectors of additional grazing area.(1/4)∗π∗22=π
(1/4)∗π∗12=π/4
27π+π+π/4=28.25π

8 0

4 years ago