3 years ago

Find the missing value for each of the following 3 questions

Mathematics

1 answer:

aleksklad [387]3 years ago

7 0

Answer:

1. 3

2. 200

3. 45

Step-by-step explanation:

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Evaluate 8j - k + 14 when j = 0.25 and k = 1.

pantera1 [17]

Steps to solve:

8j - k + 14; j = 0.25 and k = 1

~Substitute

8(0.25) - (1) + 14

~Simplify

2 - 1 + 14

~Subtract

1 + 14

~Add

Best of Luck!

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3 years ago

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At a little known vacation spot taxi fares are a bargain. A 49 mile taxi ride takes 56 minutes and cost $39.20. You want to find

artcher [175]

And 49 mile costs $39.20
So 1 mile costs $0.80
$0.8 x 34 = $27.20

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2 years ago

NEED SMART STUDENT?#TRIG

horsena [70]

Tan(angle) = Opposite Leg / adjacent leg

tan(37) = x / 10

x = 10 *tan(37)

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3 years ago

Raul simplified the expression, as shown below.

Softa [21]

Answer:

Raul's errors are in the application of the distributive property(he applied it wrongly), in not respecting the precedence of operations, and in the multiplication of two terms with the same base(we add the exponent).

Step-by-step explanation:

Distributive property:

The distributive property of multiplication is:

a*(b + c) = a*b + a*c

Precedence of operations:

First multiplication, then addition.

Multiplication of terms with the same base:

The multiplication of h*h = h², which Raul missed.

The correct simplification is given by:

$-[3h + 7h(2-h)] = -[3h + 14h - 7h^2] = -[17h - 7h^2]=7h^2 - 17h$

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2 years ago

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C.p of toy 680 profit of 35% find s.p

Sergeeva-Olga [200]

Answer:

S.p = (100x$680)/35=$1942.5

Step-by-step explanation:

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3 years ago