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2 years ago

Please help and mind explaining if so thank you!

Mathematics

1 answer:

mel-nik [20]2 years ago

5 0

Its increasing by 4 so it is 4x

The y intercept(other missing value) is 18

34-4=30

30-4=26

26-4=22

22-4=18

So its 4x+18

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Ms speakman's smartphone is on sale for 25% off its list price. The sale priceof the smartphone is 51799,99, What expression can

Ber [7]

The expression that can be used to represent the list price of the smartphone is 5179.99 * (1- 25%) and the value is 3884.9925

<h3>What expression can be used to represent the list price of the smartphone? </h3>

The given parameters are:

Discount = 25%

Sales price = 5179.99

The expression that can be used to represent the list price of the smartphone is

Expression = Sales price * (1- discount)

So, we have:

Expression = 5179.99 * (1- 25%)

Evaluate

Expression = 3884.9925

Hence, the expression that can be used to represent the list price of the smartphone is 5179.99 * (1- 25%) and the value is 3884.9925

Read more about discounts at:

brainly.com/question/7459025

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3 0

1 year ago

Please show work for both problems

sukhopar [10]

(1) The value of x is 25

(2) The measure of ∠CBD is 60°

Explanation:

(1) The given two angles are vertical angles. Since, vertical angles are equal, we can add the two angles to determine the value of x.

Thus, we have,

$5x+15=6x-10$

Subtracting 5x from both sides, we have

$15=x-10$

Adding 10 to both sides , we have,

$25=x$

Thus, the value of x is 25.

(2) It is given that the measure of ∠ABC = (x+7)° and ∠CBD = (2x+14)°

Since, these two angles are supplementary angles and supplementary angles add upto 90°

Thus, we have,

$2x+14+x+7=90$

Simplifying, we get,

$3x+21=90$

$3x=69$

$x=23$

Thus, substituting the value of x in ∠CBD = (2x+14)° to determine its value.

$2x+14=2(23)+14=46+14=60$

Thus, the measure of ∠CBD is 60°

5 0

3 years ago

it have 3 sides but in the formula we have 4 sides which is (A b sides) (B base sides ) (C base side ) and (height) HEEELLLLPPPP

Vikki [24]

Answer:

225 m³ or 225 cubic meters

Step-by-step explanation:

Actually it has 5 sides, the 2 bases, the 3 lateral faces.

The formula for the volume of a triangular prism is: $\frac{h*b*l}{2}$

Using the given measurements, we get:

$\frac{9*5*10}{2} =\\\\\frac{450}{2} =\\\\225$

The volume of the prism is 225 m³

3 0

3 years ago

of the 30 girls who turn out for the lacrosse team at Euclid Middle school, 12 were selected. of the 40 boys who tried out 16 we

deff fn [24]

12 girls out of 30 were selected, so the ratio "selected:tried" if 12/30. This fraction can be simplified into

$\dfrac{12}{30} = \dfrac{2}{5}$

Similarly, 16 boys out of 40 were selected, so the ratio "selected:tried" if 16/40. This fraction can be simplified into

$\dfrac{16}{40} = \dfrac{2}{5}$

So yes, the ratio of the number of students on the team to the number of students trying out the same for both boys and girls

4 0

3 years ago

HELP PLEASE ASAP!!!<br><br> I NEED HELP AS SOON AS POSSIBLE PLEASE!

Alex

Answer:

c,d,a

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers