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2 years ago

Which data type is variable 'a' as per below code?(numeric/non-numeric) Dim a as integer a=10 for grade 7 Computer

Mathematics

1 answer:

Lorico [155]2 years ago

8 0

Answer:

The answer is "numeric".

Step-by-step explanation:

The Dim keyword is used in Visual Basic which is used to establish the dependent variable and other information such as the code that the variable may access the variables, computer utilizes the statement Dim. The dimensions are brief and then used to define variables. The Dim statement is placed just after sub definition only at the start of a VBA module (short for Subroutine).The variable to hold an integer value is seen in the above example.

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If p(x) = 2x-4 and q(x)= x -3 what is (p o q)(x)

Fittoniya [83]

You replace the x in p(x) by x - 3:-

(p o q)(x) = 2(x - 3) - 4

= 2x - 10 (answer)

6 0

3 years ago

A) Car A travels x km for every litre of petrol while car B travels

ser-zykov [4K]

Answer: 16 litres

Step-by-step explanation:

A: 1l x km

B: 1l x+5 km

Running 400 km A used 400/x litres

Running 400 km B used 400/(x+5) litres

400/x- 400/(x+5)= 4

400*(x+5)- x*400-4*x*(x+5)=0

400*x+2000-400*x-4*x²-20*x=0

2000-4*x²-20*x=0 difide by 4 both sides of equation

500-x²-5*x=0

Lets solve the equation using discriminant:

D=5²-(-1)*4*500=2025

sqrt(D)=45

x1= (5+45)/(-2)= -25 x2=(5-45)/(-2)=20

x1=-25 x2=20

x1<0 so is not the solution of the problem ( number of litres can't be negative)

So A uses litr per x=20 km and B uses 1 litr per 20+5=25 km

Running 400 km B uses 400/25=16 litres

5 0

3 years ago

The two triangles are similar below. Find the value of x in the following: (NOT DRAWN TO SCALE)

Y_Kistochka [10]

Answer:

x = 2.4

Step-by-step explanation:

Corresponding sides of the similar triangles are proportional:

x/(x+3) = 8/18

18x = 8(x +3) . . . . . multiply by 18(x+3)

10x = 24 . . . . . . . . subtract 8x

x = 2.4 . . . . . . . . . . divide by 10

7 0

3 years ago

A $9,000 principal is invested in two accounts, one earning 7% interest and another earning 9% interest. If the total interest f

iVinArrow [24]

Answer:

The amount invested at 7% is $1,400 and the amount invested at 9% is $7,600

Step-by-step explanation:

Let

x ----> amount invested at 7%

(9,000-x) -----> amount invested at 9%

we know that

The interest earned by the amount invested at 7% plus the interest earned by the amount invested at 9% must be equal to $782

The linear equation that represent this problem is

$0.07(x)+0.09(9,000-x)=782$

solve for x

$0.07x+810-0.09x=782\\0.09x-0.07x=810-782\\0.02x=28\\x=\$1,400$

$(9,000-x)=9,000-1,400=\$7,600$

therefore

The amount invested at 7% is $1,400 and the amount invested at 9% is $7,600

4 0

3 years ago

What happens to outlier of mean and median are approximately the same

olya-2409 [2.1K]

Answer: Effect of outliers on mean median and mode

Outlier An extreme value in a set of data which is much higher or lower than the other numbers. Outliers affect the mean value of the data but have little effect on the median or mode of a given set of data.

Step-by-step explanation:

3 0

3 years ago