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3 years ago

Solve: 3/5 + 7/10 - 1/2=

Mathematics

1 answer:

Marizza181 [45]3 years ago

4 0

Answer:

-10.7

Step-by-step explanation:

tThe answer is -10.7. What you do is 3/5+7/10 then, you subtract 12 which gives your the answer

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Solve the following multiplication and division problems.

algol13

Answer:

a. 22.5 km

b. 267.52 m

c. 95 m

d. $(4.2)(10^{-5})$ km

Step-by-step explanation:

a. You can convert from hectometers to kilometers, and then you can make the multiplication:

$\frac{5hm}{10}=0.5km$

$(3km)(0.5km)(15)=22.5km$

b. You can convert from centimeters to meters, and then you can make the multiplication:

$\frac{44cm}{100}=0.44m\\(19m)(0.44m)(32)=267.52m$

c. You only need to divide 1,140 meters by 12:

$\frac{1,140m}{12})=95m$

d. You can convert from hectometers to kilometers, from decameters to kilometers and from meters to kilometers, and divide this by 15:

$\frac{6hm}{10}=0.6km$

$\frac{7dam}{100}=0.07km$

$\frac{5m}{1000}=0.005km$

$\frac{(3km)(0.6km)(0.07km)(0.005km)}{15}=(4.2)(10^{-5})$ km

5 0

4 years ago

i need help plz answer correctly, im giving brainliest and extra points for the 1st person so you better hurry.

Kaylis [27]

Answer:

4x+3y=134

3x+3y=120

Step-by-step explanation:

x represents boxes of black-and-white brochures, while y represents boxes of color brochures.

3 0

3 years ago

Read 2 more answers

A box of 6 eggs costs £1.80. Work out how much a<br> box of 10 eggs would cost.

telo118 [61]

Answer:

Step-by-step explanation:

1.80 x 10 = 18.0

5 0

3 years ago

One student runs 90,000 millimeters, and another runs 20,000 centimeters

Ratling [72]

Answer:

Second student ran more than the first student.

Student 1= 9,000 cm

Student 2= 20,000 cm

Step-by-step explanation:

4 0

3 years ago

I need help on this qestion

s344n2d4d5 [400]

Answer:

115

Step-by-step explanation:

since the angles are adjacent angles they equal 180

so 180-65= 115

x=115

5 0

3 years ago