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3 years ago

3497 to 1 significant figure

Mathematics

1 answer:

kirza4 [7]3 years ago

7 0

1 significant figure would be 3000

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. A pair of shoes are $98.75,

djyliett [7]

Answer:

a. saletax = 98.75

100

5 = 98.75

100 1

we cross multiple

5(1) = 100(98.75)

5 = 100(98.75)

divide both side by 5

5 = 100(98.75)

5 5

since 100 can divide 5 so we divide them

= 20(98.75)

amount sale tax = 1975

b. 98.75 × 5 =493.75$

8 0

3 years ago

If x square plus 8x plus q =(x plus k) Square find the value of k and q

PIT_PIT [208]

Answer:

The value of k is 4 and q is 16.

Step-by-step explanation:

First, you have to expand the brackets by applying :

${(a + b)}^{2} = {a}^{2} + 2ab + {b}^{2}$

${x}^{2} + 8x + q = {(x + k)}^{2}$

${x}^{2} + 8x + q = {x}^{2} + 2kx + {k}^{2}$

Next, you have to do it by comparison :

${x}^{2} + 8x + q = {x}^{2} + 2kx + {k}^{2}$

$by \: comparison$

$8x = 2kx$

$8 = 2k$

$k = 4$

$q = {k}^{2}$

$q = {4}^{2}$

$q = 16$

7 0

3 years ago

Line k perpendicular to line m, and passes through the same point, (6,2). What is the equation

Papessa [141]

Answer:

y = mx + b

Step-by-step explanation:

Use that form to find the slope.

8 0

2 years ago

Can someone solve this for me pls¿

Arturiano [62]

The first one would be 3 x 3 x 3!

but the others i dont know!

——- answer founded ———

i remember this test, so 3 would be 3 x 3 x 3 because it has it on top w the ma so mark brainlist if correct!

6 0

2 years ago

Please explain the steps to this problem

crimeas [40]

Make the denominators the same number. Then do the problem as you would regularly without fractions

5 0

3 years ago