3 years ago

PLEASE HELP WITH QUESTIONS 4 AND 5

Mathematics

1 answer:

Dominik [7]3 years ago

5 0

I’m too tired to do 4 sorry but 5 is
9 1/4

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Please answer thank you

Alchen [17]

-x - 9 $\geq 5$

You want to get x by itself.

First subtract 9 from both sides of the equation.

-x - 9 $\geq 5$
+9 +9

-x $\geq 14$

Then divide -1 on both sides.

-x/-1 $\geq 14/-1$

I'm pretty sure when you divide a negative number when solving inequalities, you switch the sign.

x $\leq 5$

8 0

3 years ago

2) Find the area. * 7 points 12 cm 2 cm 4 cm 6 cm 24 O 12 36 48

AleksAgata [21]

Answer:

36cm

first we extend one of the half lines.

now we have 2 rectangles with sides

6cm and 4cm
and
2cm and 6cm

using area of rect formula we find the area of both the rects separately and then add them

5 0

3 years ago

What is 0.003 of 21?

Alenkasestr [34]

21 divided by 0.003= 7000

3 0

3 years ago

50% of cakes were party cakes 1/5 were fruit cakes and remainder were sponge cakes what % were sponge cakes"

Pani-rosa [81]

Firtly we need to know how many percents is 1/5:

1/5 * 100% = 1 * 20% = 20%

So we have 50% of party cakes and 20% of fruit cakes. Now we can easily count that sponge cakes are 30%:

100% - 50% - 20% = 30%

6 0

4 years ago

Read 2 more answers

What is the area of a circle with a radius of 7 cm? (Use 3.14 for x and round to the nearest tenth.)

dexar [7]

Answer:

153.9 cm

Step-by-step explanation:

A = pi(r²)

= 3.14(7²)

= 3.14(49)

= 153.86

= 153.9 cm

7 0

3 years ago