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Paha777 [63]
2 years ago
15

What is the value of the expression 30+(-6)? A -180 B -5 C 5 D 24

Mathematics
2 answers:
yKpoI14uk [10]2 years ago
6 0
24 I did it on a calculator
Evgesh-ka [11]2 years ago
4 0

Answer:

24

Step-by-step explanation:

from the question above,

30+(-6) =

when plus is multiplying minus it's minus

+ × - = -

30-6 = 24

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Find the distance between (-4,-6) and (-1,-4).<br> Give your answer correct to 1 decimal place.
Scilla [17]

Answer:

Distance between two point = 3.6 (Approx.)

Step-by-step explanation:

Given:

Coordinate;

(-4, -6) and (-1, -4)

Find:

Distance between two point

Computation:

Distance between two point = √(x1 - x2)² + (y1 - y2)²

Distance between two point = √(-4 + 1)² + (-6 + 4)²

Distance between two point = √(-3)² + (-2)²

Distance between two point = √9 + 4

Distance between two point = √13

Distance between two point = 3.6 (Approx.)

4 0
3 years ago
A ball is thrown from the top row of seats in a stadium. The function h(t) = - 16t^2 + 80t + 96 gives the height, in feet, of th
Rudik [331]

Answer:

2s or 3s

Step-by-step explanation:

Given the function that models the height of the object as;

h(t) = - 16t^2 + 80t + 96

The ball reaches the ground when h = 0

Substitute

0 = - 16t^2 + 80t + 96

Divide through by -16

0 = t²-5t-6

t²-5t-6 = 0

t²-2t-3t+6 = 0

t(t-2)-3(t-2) = 0

(tt-2)(t-3) = 0

t - 2 = 0 and t-3 = 0

t = 2 and 3s

Hence it will take the ball 2s or 3s to reach the ground

7 0
3 years ago
Help please? (20 points)
spin [16.1K]

Answer:

0.79

Step-by-step explanation:

1.4-0.61=0.79

7 0
3 years ago
Read 2 more answers
How many batches of cookies can Robert make?
Finger [1]

Answer:

5 batches

Step-by-step explanation:

For this you need to divide the 2 fractions, and what ever you get will be the answer.

4\frac{1}{2}÷\frac{3}{4}

First make the mixed fraction into a improper fraction.

\frac{9}{2}×\frac{4}{3}=\frac{36}{6} =\frac{5}{1} =5

<u>Final answer</u>

5 batches

7 0
3 years ago
Dema's truck gets 32 mpg on the highway and 18 mpg in the city. The amount of gas he uses A (in gal) is given by A=118c+132h, wh
Zigmanuir [339]

We conclude that he drove 176 miles on the highway

<h3>how many highway miles did he drive?</h3>

Here we have the equation:

A = (1/18)*c + (1/32)*h

Where A is the consumption in gallons of gas, c is the number of miles driven in the city and h is the number of miles driven in the highway.

Here we know that:

A = 8 gallons of gas.

c = 45 miles

Replacing that in the above equation, we can find the value of h.

8 =  (1/18)*45 + (1/32)*h

8 - (1/18)*45 = (1/32)*h

32*(8 - (1/18)*45) = h = 176

We conclude that he drove 176 miles on the highway

if you want to learn more about linear equations:

brainly.com/question/1884491

#SPJ1

3 0
2 years ago
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