3 years ago

Please helppp , 20 points for this question

Mathematics

1 answer:

Oksanka [162]3 years ago

6 0

I believe the answer would be d

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John used 1 3/4 kg of salt to melt on his sidewalk. He then used another 3 4/5 kg on the driveway. If he originally bought 10 kg

Natali [406]

Answer:

he have left 4.45 kg

Step-by-step explanation:

The computation of he have left is as follows:

= Total salt purchase - salt used on his sidewalk - sales used on the driveway

$= 10 - 1 \frac{3}{4} - 3 \frac{4}{5}\\\\= 10 - \frac{7}{4} - \frac{19}{5}\\\\= \frac{200 - 35 -76 }{20} \\\\= \frac{89}{20}$

= 4.45 kg

Hence, he have left 4.45 kg

4 0

3 years ago

A line has the equation 3x–4y–12=0. Write the equation in slope-intercept form.

rjkz [21]

The slope-intercept form: y = mx + b

$3x-4y-12=0\ \ \ |+4y\\\\3x-12=4y\\\\4y=3x-12\ \ \ |:4\\\\y=\dfrac{3}{4}x-3$

5 0

3 years ago

Read 2 more answers

Please help ! Struggling with this one :(

creativ13 [48]

Answer A becouse:

x-=20

y=55

y-35=2(x-10)

y=2x-20+35=40-20+35=55

6 0

3 years ago

What number must be added to the expression below to complete the square? x2-5x

kati45 [8]

Answer:

6.25

Step-by-step explanation:

(x-a)^2=x^2-2ax+a^2

2a=5

a=2.5

2.5 ^ 2 = 6.25

3 0

3 years ago

I NEED HELP ASAP PLEASE AND THANK YOU.

alex41 [277]

Answer:

b=30

Step-by-step explanation:

it hits the y axis at 30.

7 0

2 years ago